Atmosphere
NASA’s MAVEN Orbiter Maps Martian Upper Atmospheric Winds  SCI-NEWS.COM · 1 day
Using NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft, a team of planetary researchers have measured the speed and direction... more
Barrels of ancient Antarctic air aim to track history of rare gas  SCIENCE DAILY · 1 day
An Antarctic field campaign last winter led by the US and Australia has successfully extracted some of the largest samples of air dating from... more
Breathable atmospheres may be more common in the universe than we first thought  PHYS.ORG · 1 day
The existence of habitable alien worlds has been a mainstay of popular culture for more than a century. In the 19th century,... more
Barrels of ancient Antarctic air aim to track history of rare gas  PHYS.ORG · 2 days
Ancient air samples from one of Antarctica's snowiest ice core sites may add a new molecule to the record of changes to Earth's atmosphere... more
Scientists map Mars' global wind patterns for the first time  PHYS.ORG · 2 days
Today, a paper published in Science documents for the first time the global wind circulation patterns in the upper atmosphere of a planet, 120 to 300 kilometers above... more
Global circulation of Mars upper atmosphere  Science Magazine · 2 days
The thermosphere of Mars is the interface through which the planet is continuously losing its reservoir of atmospheric volatiles to space. The structure and dynamics of the thermosphere is driven by a global circulation that redistributes... more
Estimates of ecosystem carbon mitigation improved toward the goal of the Paris agreement  PHYS.ORG · 2 days
Approximately 30 percent of CO2 emitted to the atmosphere by human activities, mainly through the use of fossil fuels and deforestation, is... more
Revealing the physics of the sun with Parker Solar Probe  nanowerk · 3 days
Nearly a year and a half into its mission, Parker Solar Probe has returned gigabytes of data on the Sun and its atmosphere. Following the release of the... more
Stepwise Earth oxygenation is an inherent property of global biogeochemical cycling  Science Magazine · 3 days
Oxygenation of Earth’s atmosphere and oceans occurred across three major steps during the Paleoproterozoic, Neoproterozoic, and Paleozoic eras, with each increase having profound consequences for the... more
A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning  Science Magazine · 3 days
Terrestrial gamma-ray flashes (TGFs) are transient gamma-ray emissions from thunderstorms, generated by electrons accelerated to relativistic energies in electric fields. Elves are ultraviolet and optical emissions... more
Revealing the physics of the Sun with Parker Solar Probe  PHYS.ORG · 3 days
Nearly a year and a half into its mission, Parker Solar Probe has returned gigabytes of data on the Sun and its atmosphere. Following the release of the... more
Water Vapor is Common in Atmospheres of Extrasolar Gas Giants, Study Shows  SCI-NEWS.COM · 3 days
In a study published recently in the Astrophysical Journal Letters, a team of astronomers analyzed spectroscopic atmospheric data from 19 exoplanets, ranging in size... more
High-latitude warming initiated the onset of the last deglaciation in the tropics  Science Magazine · 3 days
Atmospheric greenhouse gas concentrations are thought to have synchronized global temperatures during Pleistocene glacial–interglacial cycles, yet their impact relative to changes in high-latitude insolation... more
Rising CO2 drives divergence in water use efficiency of evergreen and deciduous plants  Science Magazine · 3 days
Intrinsic water use efficiency (iWUE), defined as the ratio of photosynthesis to stomatal conductance, is a key variable in plant physiology and... more
ISS sensors show terrestrial gamma-ray flash and ionospheric UV emissions spurred by lightning  PHYS.ORG · 3 days
A team of researchers from Denmark, Norway, Spain and Italy has found that both terrestrial gamma-ray flashes and ionospheric ultraviolet emissions are... more
Researcher surveys Great Salt Lake playa  PHYS.ORG · 4 days
The flat dry lakebed (also called a playa) surrounding Utah's Great Salt Lake is more than 750 square miles—an area bigger than Houston. The wide-open landscape is surprisingly varied and is the realm of coyotes, bison,... more
One-third of recent global methane increase comes from tropical Africa  SCIENCE DAILY · 3 days
Concentrations of methane, a greenhouse gas about 28 times more potent than carbon dioxide, have risen steadily in Earth's atmosphere since 2007. Although several potential explanations, including an... more
Breathing new life into the rise of oxygen debate  SCIENCE DAILY · 3 days
New research strongly suggests that the distinct 'oxygenation events' that created Earth's breathable atmosphere happened spontaneously, rather than being a consequence of biological or tectonic revolutions. The study not only... more
Water common—yet scarce—in exoplanets  PHYS.ORG · 4 days
The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the solar system and beyond. more
Water common - yet scarce - in exoplanets  nanowerk · 4 days
The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the... more
One-third of recent global methane increase comes from tropical Africa  PHYS.ORG · 4 days
Concentrations of methane, a greenhouse gas about 28 times more potent than carbon dioxide, have risen steadily in Earth's atmosphere since 2007. Although several potential explanations, including an... more
Breathing new life into the rise of oxygen debate  PHYS.ORG · 4 days
New research strongly suggests that the distinct 'oxygenation events' that created Earth's breathable atmosphere happened spontaneously, rather than being a consequence of biological or tectonic revolutions. more
Natural ecosystems protect against climate change  SCIENCE DAILY · 4 days
The identification of natural carbon sinks and understanding how they work is critical if humans are to mitigate global climate change. Tropical coastal wetlands are considered important but, so far, there is little data to show... more
Improving the accuracy of climate model projections with emergent constraints  PHYS.ORG · 4 days
The increase in carbon dioxide concentration in the atmosphere has warmed the Earth since the beginning of the industrial era. Climate models try to project how much this... more
Technologies and scientific advances needed to track methane levels in atmosphere  PHYS.ORG · 4 days
Understanding what influences the amount of methane in the atmosphere has been identified by the American Geophysical Union to be one of the foremost challenges in... more
Technologies and scientific advances needed to track methane levels in atmosphere  SCIENCE DAILY · 4 days
Understanding what influences the amount of methane in the atmosphere has been identified to be one of the foremost challenges in the earth sciences in the... more
June rainfall in the lower Yangtze River Basin can be predicted four months ahead  PHYS.ORG · 4 days
Millions of people in China depend on the rainfall brought by the monsoon during summer for their livelihoods and water... more
Benefits and risks for marine life from carbon dioxide removal approaches  PHYS.ORG · 4 days
A new IMAS study has identified potential benefits and risks for marine ecosystems from two of the key approaches for carbon removal proposed to cut atmospheric... more
Expert discusses the global carbon budget  PHYS.ORG · 5 days
The Global Carbon Project recently released its 2019 annual report, giving decision-makers access to data on atmospheric carbon concentrations, emissions and trends. Illinois atmospheric scientist Atul Jain is among the many scientists worldwide who contributed data... more
Europe Is Launching a Suicide Robot to 'Hug' Space Trash Out of Orbit  LIVE SCIENCE · 5 days
Meta description: The ESA has announced a mission to launch a four-armed robot to grab a single piece of space junk and... more
Large atmospheric waves in the jet stream present risk to global food production  SCIENCE DAILY · 5 days
Researchers have discovered jet stream patterns that could affect up to a quarter of global food production. more
Study: Favorable environments for large hail increasing across U.S.  PHYS.ORG · 5 days
A group of atmospheric scientists have uncovered an environmental footprint that could help explain why the cost of hailstorm damage is rapidly increasing in the United States. more
Newly identified jet-stream pattern could imperil global food supplies, says study  PHYS.ORG · 5 days
Scientists have identified systematic meanders in the globe-circling northern jet stream that have caused simultaneous crop-damaging heat waves in widely separated breadbasket regions-a previously unquantified threat... more
The Arctic atmosphere: A gathering place for dust?  PHYS.ORG · 5 days
The atmosphere of the central Arctic is polluted with fine dust from Siberia and North America. This was the result of a preliminary evaluation of the first lidar measurements carried out by... more
How to design a forest fit to heal the planet  PHYS.ORG · 5 days
Reforestation has enormous potential as a cheap and natural way of sucking heat-absorbing carbon dioxide out of the atmosphere and restoring the degraded natural world, while supporting local... more
National greenhouse gas reporting needs an overhaul: It's time to directly measure the atmosphere  PHYS.ORG · 1 week
How much greenhouse gas is emitted by any individual country? With global emissions of carbon dioxide hitting a record of... more
Research reveals past rapid Antarctic ice loss due to ocean warming  PHYS.ORG · 1 week
New research from the University of Otago has found the sensitive West Antarctic Ice Sheet collapsed during a warming period just over a million years ago... more
Warm-sector heavy rainfall in China: Studies and challenges  PHYS.ORG · 1 week
Warm-sector heavy rainfall (WSHR) is a type of rainstorm proposed by Chinese meteorologists that had been found to only occur in South China. However, WSHR has also been found in other regions... more
Investigating the rise of oxygenic photosynthesis  PHYS.ORG · 1 week
About 2.4 billion years ago, at the end of the Archean Eon, a planet-wide increase in oxygen levels called the Great Oxidation Event (GOE) created the familiar atmosphere we all breathe today. Researchers focused on life's... more
Sun's close-up reveals atmosphere hopping with highly energetic particles  SCIENCE DAILY · 1 week
Outbursts of energetic particles that hurtle out from the sun and can disrupt space communications may be even more varied and numerous than previously thought, according to results from the... more
Hidden giant planet revealed around tiny white dwarf star  SCIENCE DAILY · 1 week
The first evidence of a giant planet orbiting a dead white dwarf star has been found in the form of a disc of gas formed from its evaporating atmosphere. more
Atmospheric river storms create $1 billion-a-year flood damage  SCIENCE DAILY · 1 week
Researchers found that flooding has caused nearly $51 billion in damages to western states in the last 40 years. More than 84 percent of these damages were caused by atmospheric rivers (ARs),... more
NASA's Parker Solar Probe sheds new light on the sun  SCIENCE DAILY · 1 week
Since its 2018 launch, NASA's Parker Solar Probe (record-holder for closest-ever spacecraft to the Sun) has finished three of 24 planned passes through never-before-explored parts of the Sun's... more
Solar Probe Finds Active, Mysterious Corona, Surprising Scientists  LIVE SCIENCE · 1 week
NASA's Parker Solar Probe has passed through the outer atmosphere of the sun, and now we get to see what it found. more
Atmospheric river storms create $1 billion-a-year flood damage  PHYS.ORG · 1 week
Atmospheric rivers pose a $1 billion-a-year flood risk in the West, according to a study released today. more
Sun's close-up reveals atmosphere hopping with highly energetic particles  PHYS.ORG · 1 week
Outbursts of energetic particles that hurtle out from the sun and can disrupt space communications may be even more varied and numerous than previously thought, according to results from the... more
First giant planet around white dwarf found  PHYS.ORG · 1 week
Researchers using ESO's Very Large Telescope have, for the first time, found evidence of a giant planet associated with a white dwarf star. The planet orbits the hot white dwarf, the remnant of a... more
Atmospheric rivers drive flood damages in the western United States  Science Magazine · 1 week
Atmospheric rivers (ARs) are extratropical storms that produce extreme precipitation on the west coasts of the world’s major landmasses. In the United States, ARs cause significant flooding, yet... more
NASA's Parker Solar Probe sheds new light on the sun  PHYS.ORG · 1 week
In August 2018, NASA's Parker Solar Probe launched to space, soon becoming the closest-ever spacecraft to the Sun. With cutting-edge scientific instruments to measure the environment around the... more
Water was a winner in capturing carbon dioxide  PHYS.ORG · 1 week
Climate worries go hand in hand with CO2 emissions concerns. Emissions hit an all-time high last year. The CO2 level in the atmosphere may be higher than it's been in 3 million... more
As a way to fight climate change, not all soils are created equal  PHYS.ORG · 1 week
As the planet warms due to excess carbon dioxide in the atmosphere, a solution for drawing down that carbon—or at least a... more
Image: A cloudy martian night through the eyes of a supercomputer  PHYS.ORG · 2 weeks
As NASA's Curiosity rover makes its way over the surface of Mars, it's sometimes accompanied by clouds drifting by in the sky above. Like Earth, the... more
Smog-eating graphene composite reduces atmospheric pollution  SCIENCE DAILY · 2 weeks
A graphene-titania photocatalyst degrades up to 70% more atmospheric NOx than standard titania nanoparticles in tests on real pollutants. more
Smog-eating graphene composite reduces atmospheric pollution  PHYS.ORG · 2 weeks
Graphene Flagship partners the University of Bologna, Politecnico di Milano, CNR, NEST, Italcementi HeidelbergCement Group, the Israel Institute of Technology, Eindhoven University of Technology, and the University of Cambridge have developed a graphene-titania photocatalyst that degrades... more
Astronomers propose a novel method of finding atmospheres on rocky worlds  PHYS.ORG · 2 weeks
When NASA's James Webb Space Telescope launches in 2021, one of its most anticipated contributions to astronomy will be the study of exoplanets—planets orbiting distant stars.... more
Satellite Broken? Smart Satellites to the Rescue  ASTRO WATCH · 2 weeks
When satellites break, which is surprisingly often, there isn't much you can do about them. They become expensive and dangerous flotsam, orbiting... more
Astronomers propose a novel method of finding atmospheres on rocky worlds  nanowerk · 2 weeks
A team of astronomers proposes a new method of using Webb to determine whether a rocky exoplanet has an atmosphere. The technique, which involves measuring the... more
New study points to one cause for several mysteries linked to breathable oxygen  PHYS.ORG · 2 weeks
Earth's breathable atmosphere is key for life, and a new study suggests that the first burst of oxygen was added by a... more
Space is key to monitoring ocean acidification  PHYS.ORG · 2 weeks
This week, the UN World Meteorological Organization announced that concentrations of greenhouse gases in the atmosphere have reached yet another high. This ongoing trend is not only heating up the planet, but also affecting... more
Climate change 'tipping points' too close for comfort  PHYS.ORG · 2 weeks
Loading the atmosphere with five million tonnes of CO2 every hour has pushed Earth dangerously close to a no-return threshold, beyond which lies an unlivable hothouse world, top climate scientists have warned. more
‘Dust Towers’ Spotted on Mars  SCI-NEWS.COM · 2 weeks
NASA’s Mars Reconnaissance Orbiter observed a high number of ‘dust towers’ — concentrated clouds of dust that warm in sunlight and rise high into the air... more
A New Model Will Help Predict Several Solar Phenomena  ASTRO WATCH · 2 weeks
An international group of scientists, in cooperation with a research scientist from Skoltech, has developed a model to... more
Space is key to monitoring ocean acidification  ESA · 2 weeks
This week, the UN World Meteorological Organization announced that concentrations of greenhouse gases in the atmosphere have reached yet another high. This... more
Medicinal plants: from genes to drugs  NEWS MEDICAL · 2 weeks
We eat plants, wear their products, burn them for fuel, and use them to build our houses. Plants are the very basis of the food chain on earth. They are also the source of oxygen in... more
Study traces atmospheric source of super-toxic methylmercury in terrestrial food web  NEWS MEDICAL · 3 weeks
Marine fog brings more than cooler temperatures to coastal areas. Researchers at UC Santa Cruz have discovered elevated levels of mercury in mountain lions, the latest... more
Anisotropic radio-wave scattering in the solar corona  PHYS.ORG · 3 weeks
Solar radio emission is produced in the turbulent medium of the solar atmosphere, and its observed properties (source position, size, time profile, polarization, etc.) are significantly affected by the propagation of the radio waves... more
Great Red Spot Isn’t Disappearing, Researchers Say  SCI-NEWS.COM · 3 weeks
Clouds hide the true size and nature of Jupiter’s most distinctive feature, the Great Red Spot, according to a study led by... more
Recrutement of a lateral root developmental pathway into root nodule formation of legumes  PHYS.ORG · 3 weeks
Peas and other legumes develop spherical or cylindrical structures—called nodules—in their roots to establish a mutually beneficial relationship with bacteria that convert... more
Forests face climate change tug of war  PHYS.ORG · 3 weeks
In a world of rising levels of atmospheric carbon dioxide, plants should be happy, right? Experiments have shown that, yes, increased carbon dioxide does allow plants to photosynthesize more and use less water. more
Researchers uncover key reaction that influences growth of potentially harmful particles in atmosphere  PHYS.ORG · 3 weeks
Air-quality alerts often include the levels of particulate matter, small clumps of molecules in the lower atmosphere that can range in size... more
Mechanized harvesting has not reduced atmospheric pollution in the sugarcane region  PHYS.ORG · 3 weeks
The burning of sugarcane, carried out to eliminate dry leaves before harvesting, for years altered the air quality in the central region of the State of... more
LSU Coast & Environment class modeling a "Frozen" ice age  PHYS.ORG · 3 weeks
Paul Miller, assistant professor and coastal meteorologist in the Department of Oceanography & Coastal Sciences, is using popular culture as an entry point by which his students can... more
Probing exoplanet atmospheres could reveal telltale signatures of life  PHYS.ORG · 3 weeks
It may be that life is lurking out there on other planets. But stuck here on Earth, how can we ever know for sure? A good place to start is... more
Magnetic storms: A window to the past  PHYS.ORG · 3 weeks
Audrey Schillings recently defended her doctoral thesis about atmospheric loss from Earth and how it varies with solar wind conditions. Audrey was employed at the Swedish Institute of Space Physics and enrolled at Luleå... more
Greenhouse gas concentrations in atmosphere reach yet another high  PHYS.ORG · 3 weeks
Levels of heat-trapping greenhouse gases in the atmosphere have reached another new record high, according to the World Meteorological Organization. This continuing long-term trend means that future generations will be... more
Interaction with fungus containing nitrogen-fixing endobacteria improves rice nitrogen nutrition  PHYS.ORG · 3 weeks
Researchers Karnelia Paul of the University of Calcutta (India), Chinmay Saha of the University of Kalyani (India), and Anindita Seal of the University of Calcutta (India) designed research... more
Steep momentum gradients play a major role in coastal precipitation  PHYS.ORG · 3 weeks
Steep gradients of wind stress and potential temperature enable sustainable nearshore precipitation systems along the western coastal region of Korea, according to Prof. Dong-In Lee, lead scientist at... more
This humidity digester breathes in atmospheric water and exhales energy  SCIENCE DAILY · 3 weeks
Integrating a super moisture-absorbent gel with light-active materials, researchers have developed a humidity digester to dry the ambient air while generating energy. The method is a green alternative... more
Study on surface damage to vehicles traveling at hypersonic speeds  PHYS.ORG · 4 weeks
Vehicles moving at hypersonic speeds are bombarded with ice crystals and dust particles in the surrounding atmosphere, making the surface material vulnerable to damage such as erosion and... more
Study on surface damage to vehicles traveling at hypersonic speeds  SCIENCE DAILY · 4 weeks
Vehicles moving at hypersonic speeds are bombarded with ice crystals and dust particles in the surrounding atmosphere, making the surface material vulnerable to damage such as erosion and... more
Nitrogen fertilizers are incredibly efficient, but they make climate change a lot worse  PHYS.ORG · 4 weeks
Nitrous oxide (N2O) (more commonly known as laughing gas) is a powerful contributor to global warming. It is 265 times more effective... more
Nitrous oxide, a greenhouse gas, is on the rise  SCIENCE DAILY · 4 weeks
A new study from an international group of scientists finds we are releasing more of the greenhouse gas nitrous oxide into the atmosphere than previously thought. more
New findings on the largest natural sulfur source in the atmosphere  SCIENCE DAILY · 4 weeks
An international research team was able to experimentally show in the laboratory a completely new reaction path for the largest natural sulfur source in the atmosphere.... more
Nitrous oxide levels are on the rise  SCIENCE DAILY · 4 weeks
Nitrous oxide is a greenhouse gas and one of the main stratospheric ozone depleting substances on the planet. According to new research, we are releasing more of it into the atmosphere than previously thought. more
MORE SCIENCE VIDEO
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