Solar System
Report calls for changes in planetary protection policies  SPACE NEWS · 50 minutes
An independent report is calling on NASA to update decades’ old planetary protection policies to reflect changing knowledge of solar... more
Soil on Moon and Mars Likely to Support Crops  ASTRO WATCH · 10 hours
Researchers at Wageningen University & Research in the Netherlands have produced crops in Mars and Moon soil simulant... more
Mars 2020 unwrapped and ready for testing  PHYS.ORG · 13 hours
In this time-lapse video, taken on Oct. 4, 2019, at NASA's Jet Propulsion Laboratory in Pasadena, California, bunny-suited engineers remove the inner layer of protective antistatic foil on the Mars 2020 rover after the... more
First all-female spacewalking team makes history  PHYS.ORG · 1 day
The world's first all-female spacewalking team made history high above Earth on Friday, replacing a broken part of the International Space Station's power grid. more
World's 1st female spacewalking team makes history  PHYS.ORG · 1 day
The world's first female spacewalking team made history high above Earth on Friday, floating out of the International Space Station to fix a broken part of the power network. more
Origin and chemical makeup of Saturn's Moon Titan's dunes  SCIENCE DAILY · 1 day
Astronomers exposed acetylene ice -- a chemical that is used on Earth in welding torches and exists at Titan's equatorial regions -- at low temperatures to proxies of high-energy galactic... more
Europe's largest meteorite crater home to deep ancient life  PHYS.ORG · 1 day
Fractured rocks of impact craters have been suggested to host deep microbial communities on Earth, and potentially other terrestrial planets, yet direct evidence remains elusive. In a new study published... more
Manufacturing minerals could transform the gem market, medical industries, and mitigate climate change  PHYS.ORG · 1 day
Last month, scientists uncovered a mineral called Edscottite. Minerals are solid, naturally occurring substances that are not living, such as quartz or... more
What Is the Cryosphere?  LIVE SCIENCE · 1 day
The cryosphere is critical to Earth and its inhabitants, but it is vanishing as the planet warms. more
InSight instrument resumes movement into Martian surface  SPACE NEWS · 1 day
A probe on NASA’s InSight Mars lander that has been stuck for months is moving deeper into the surface again thanks to... more
Korean Peninsula  ESA · 1 day
Earth observation image of the week: Copernicus Sentinel-3 takes us over the Korean Peninsula more
Ancient stars shed light on Earth's similarities to other planets  SCIENCE DAILY · 2 days
Earth-like planets may be common in the universe, a new study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique. more
Mars InSight's 'mole' is moving again  PHYS.ORG · 2 days
NASA's InSight spacecraft has used its robotic arm to help its heat probe, known as "the mole," dig nearly 2 centimeters (3/4 of an inch) over the past week. While modest, the movement is significant: Designed... more
Oxygen fugacities of extrasolar rocks: Evidence for an Earth-like geochemistry of exoplanets  Science Magazine · 2 days
Oxygen fugacity is a measure of rock oxidation that influences planetary structure and evolution. Most rocky bodies in the Solar System formed at oxygen... more
Ancient stars shed light on Earth's similarities to other planets  PHYS.ORG · 2 days
Earth-like planets may be common in the universe, a new UCLA study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique.... more
How aerosols affect our climate  SCIENCE DAILY · 2 days
Greenhouse gases may get more attention, but aerosols -- from car exhaust to volcanic eruptions -- also have a major impact on the Earth's climate. Using a massive NASA dataset, researchers have created a framework that helps explain... more
Fingerprints of Earth's original building blocks discovered in diamond-bearing rocks  SCIENCE DAILY · 2 days
Scientists have detected primordial chemical signatures preserved within modern kimberlites, according to new research. The results provide critical insight for understanding the formation of Earth. more
Near-Earth asteroids spectroscopic survey at the Isaac Newton telescope  PHYS.ORG · 2 days
The study of near-Earth asteroids (NEAs) is driven by both scientific and practical reasons. Because of their proximity to our planet, they can provide key information regarding the delivery of... more
What happens under the Yellowstone Volcano?  SCIENCE DAILY · 2 days
A recent study helps to better explain the processes in the Earth's interior beneath the Yellowstone supervolcano. more
Hubble observes first confirmed interstellar comet  SCIENCE DAILY · 2 days
Hubble has given astronomers their best look yet at an interstellar visitor -- comet 2I/Borisov -- whose speed and trajectory indicate it has come from beyond our solar system. Comet 2I/Borisov is only the second such... more
A new theory to explain how the dunes on Titan formed  PHYS.ORG · 2 days
A trio of researchers with the University of Hawaii has developed a new theory to explain how the dunes on Saturn's largest moon, Titan, may have... more
HiRISE views NASA's InSight and Curiosity on Mars  PHYS.ORG · 2 days
The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover. more
Information theory as a forensics tool for investigating climate mysteries  SCIENCE DAILY · 2 days
During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. A new article suggests that mathematics from information theory could offer a powerful tool... more
Tiny particles lead to brighter clouds in the tropics  SCIENCE DAILY · 2 days
When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level... more
Information theory as a forensics tool for investigating climate mysteries  PHYS.ORG · 2 days
During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. Data in layers of ice of Greenland and Antarctica show that these warming events—called... more
Gas 'waterfalls' reveal infant planets around young star  nanowerk · 3 days
The birthplaces of planets are disks made out of gas and dust. Astronomers study these so-called protoplanetary disks to understand the processes of planet formation. Beautiful images of these disks show distinct... more
Tracing interstellar dust back to the solar system's formation  nanowerk · 3 days
Interplanetary particles from Earth's upper atmosphere contain dust from the initial formation of the solar system. The exotic grains may represent the building blocks of planets from 4.6 billion years... more
Low-temperature synthesis of polycyclic aromatic hydrocarbons in Titans surface ices and on airless bodies  Science Magazine · 3 days
Titan’s equatorial dunes represent the most monumental surface structures in our Solar System, but the chemical composition of their dark... more
Increase in levels of methylmercury due to climate change could have a cascade of effects  NEWS MEDICAL · 3 days
As global temperatures continue to rise, the thawing of permafrost in Arctic areas is being accelerated and mercury... more
Researchers find climate change increases risk of mercury contamination  PHYS.ORG · 3 days
As global temperatures continue to rise, the thawing of permafrost in Arctic areas is being accelerated and mercury that has been trapped in the frozen ground is now being released... more
Gas 'waterfalls' reveal infant planets around young star  PHYS.ORG · 3 days
The birthplaces of planets are disks made out of gas and dust. Astronomers study these so-called protoplanetary disks to understand the processes of planet formation. Beautiful images of disks made with the... more
Tiny particles lead to brighter clouds in the tropics  PHYS.ORG · 3 days
When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level... more
Surveying solar storms by ancient Assyrian astronomers  SCIENCE DAILY · 3 days
Researcher finds evidence of ancient solar magnetic storms based on cuneiform astrological records and carbon-14 dating. This work may help with our understanding of intense solar activity that can threaten modern electronics. more
Climate change increases risk of mercury contamination  SCIENCE DAILY · 3 days
As global temperatures continue to rise, the thawing of permafrost is accelerated and mercury trapped in the frozen ground is now being released. The mercury is transforming into more mobile and potentially toxic forms... more
What gives a 3-meter-long Amazonian fish some of the toughest scales on Earth  SCIENCE DAILY · 3 days
Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. It's... more
What gives a three-meter-long Amazonian fish some of the toughest scales on Earth  PHYS.ORG · 3 days
Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The... more
Solar storm surveys by ancient Assyrian astronomers  PHYS.ORG · 3 days
Scientists at the University of Tsukuba study ancient cuneiform records for evidence of unusual solar activity 2,700 years ago, and identify three possible magnetic storms by matching the dates with tree-ring radioisotope data more
Venus May Never Have Been Wet and Warm World  SCI-NEWS.COM · 3 days
A team of planetary researchers from the Lunar and Planetary Institute (LPI) and elsewhere has found that a... more
Radioactive chlorine from nuclear bomb tests still present in Antarctica  PHYS.ORG · 3 days
Antarctica's ice sheets are still releasing radioactive chlorine from marine nuclear weapons tests in the 1950s, a new study finds. This suggests regions in Antarctica store and vent... more
Telescope technology used to take first undistorted images of eye area involved in glaucoma  NEWS MEDICAL · 3 days
Using methods originally developed by astronomers to view stars more clearly through Earth's atmosphere, optometry researchers at Indiana University have... more
NASA unveils flexible, one-size-fits-all space suits  PHYS.ORG · 3 days
Bye bye to bunny hops: when US astronauts next touch down on the Moon, expect them to walk almost as they do on Earth, thanks to a new generation of spacesuits offering key advantages over those... more
NRO awards imagery subscription contract to Planet  SPACE NEWS · 4 days
The National Reconnaissance Office awarded a commercial imagery subscription contract to Planet Labs Federal, a subsidiary of Earth observation company Planet. SpaceNews.com more
Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling  PHYS.ORG · 4 days
The entry probe of the Galileo mission to Jupiter entered the planet's atmosphere in 1995 in fiery fashion. As the probe descended from Mach... more
Soil on moon and Mars likely to support crops  PHYS.ORG · 4 days
Researchers at Wageningen University & Research in the Netherlands have produced crops in Mars and Moon soil simulant developed by NASA. The research supports the idea that it would not... more
Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling  nanowerk · 4 days
Data from the probe's 1995 fireball has continued to confound those studying the mission. New simulations and faster computers point to bettering atmospheric entry... more
Soil on moon and Mars likely to support crops  SCIENCE DAILY · 4 days
Researchers have produced crops in Mars and moon soil simulant developed by NASA. The research supports the idea that it would not only be possible to grow food on Mars... more
Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling  SCIENCE DAILY · 4 days
The entry probe of the Galileo mission to Jupiter entered the planet's atmosphere in 1995 in fiery fashion, generating enough heat to cause plasma... more
SpaceX submits paperwork for 30,000 more Starlink satellites  SPACE NEWS · 4 days
The FCC, on SpaceX’s behalf, submitted 20 filings to the ITU for 1,500 satellites apiece in various low Earth orbits,... more
Image: Foreground asteroid passing the Crab Nebula  PHYS.ORG · 4 days
When astronomers use the NASA/ESA Hubble Space Telescope to study the deep sky, asteroids from our solar system can leave their marks on the captured pictures of far-away galaxies or nebulae. But rather than... more
Stretched photons recover lost interference  PHYS.ORG · 4 days
The smallest pieces of nature—individual particles like electrons, for instance—are pretty much interchangeable. An electron is an electron is an electron, regardless of whether it's stuck in a lab on Earth, bound to an atom in some chalky... more
2nd Interstellar Comet Looks Pretty Normal, Astronomers Say  LIVE SCIENCE · 4 days
Observations of the interstellar Comet Borisov have been flooding in for six weeks, and the more astronomers duplicate one another's work, the more confident they are in their analysis of the object. more
Lakes worldwide are experiencing more severe algal blooms  SCIENCE DAILY · 5 days
The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes. Researchers used 30 years of data from... more
LeoLabs unveils next generation with Kiwi Space Radar  SPACE NEWS · 5 days
LeoLabs, the Silicon Valley space mapping startup, announced Oct. 14, initial operation of the Kiwi Space Radar, the firm’s third... more
2I/Borisov: Interstellar comet with a familiar look  PHYS.ORG · 5 days
A new comet discovered by amateur astronomer Gennady Borisov is an outcast from another star system, yet its properties are surprisingly familiar, a new study led by Jagiellonian University researchers shows. The team's findings... more
Brilliant Midnight Fireball Lights Up Sky Over Northeast China  LIVE SCIENCE · 5 days
What appears to be a dazzling meteor lit up the sky over northeast China on Friday (Oct. 11), appearing as a brilliant fireball in surveillance video of the event. more
Humans Will Never Live on Another Planet, Nobel Laureate Says. Here's Why.  LIVE SCIENCE · 5 days
Here's the reality: We're messing up the Earth and any far-out ideas of colonizing another orb when we're done with our own are wishful... more
Striking find  ESA · 5 days
Space Science Image of the Week: Citizen scientist spots asteroid in Hubble image of Crab Nebula more
Talking to the team  ESA · 5 days
French podcast Les Explorateurs talks to two members of the Hera asteroid mission team, manager Ian Carnelli (in French) and asteroid astronomer Alan Fitsimmons (in English) more
Liquifying a Rocky Exoplanet  ASTRO WATCH · 6 days
Rocky exoplanets that are around Earth-size are comparatively small, which makes them incredibly difficult to detect and characterize using telescopes. What are the optimal conditions to find such... more
Diatomic Carbon Detected in Interstellar Comet 2I/Borisov  SCI-NEWS.COM · 6 days
Astronomers have detected the emission from the small carbon chains C2 in the coma of 2I/Borisov, the first known interstellar comet to... more
Descartes Labs raises $20 million to create Earth’s digital twin  SPACE NEWS · 1 week
Descartes Labs, a company that specializes in applying machine learning to geospatial datasets, raised $20 million... more
NRL launches space weather instrument on NASA satellite  PHYS.ORG · 1 week
A U.S. Naval Research Laboratory (NRL) instrument aboard NASA's Ionospheric Connection Explorer (ICON) satellite will deliver unprecedented information to help scientists investigate how both terrestrial and solar weather impact the ionosphere, the... more
Studying the snowmelt episodes of a Pyrenean river with a seismometer  PHYS.ORG · 1 week
A team of researchers at Institute of Earth Sciences Jaume Almera of the Spanish National research Council (ICTJA-CSIC) has analysed the seismic signals generated by the... more
Summit supercomputer simulates how humans will 'brake' during Mars landing  PHYS.ORG · 1 week
The type of vehicle that will carry people to the Red Planet is shaping up to be "like a two-story house you're trying to land on another planet.... more
Lake Natron  ESA · 1 week
Earth observation image of the week: Copernicus Sentinel-2 takes us over two saline lakes in East Africa more
Decommissioned Earth science satellite to remain in orbit for centuries  SPACE NEWS · 1 week
A U.S.-European satellite that completed its mission earlier this month has been decommissioned but will remain... more
Pyramid-Size Asteroid to Hurtle Past Earth (Again)  LIVE SCIENCE · 1 week
A fast-moving visitor is approaching our cosmic neighborhood. Dubbed 2019 SX5, this near-Earth object is about the size of the Great Pyramid of Giza. more
Earth observation customers want speedy satellite tasking  SPACE NEWS · 1 week
Companies supplying Earth observation data should speed up satellite tasking for customers whose demands are time sensitive, according to a panel of... more
Pyramid-Size Asteroid Hurtles Past Earth (Again)  LIVE SCIENCE · 1 week
A fast-moving visitor is approaching our cosmic neighborhood. Dubbed 2019 SX5, this near-Earth object is about the size of the Great Pyramid of Giza. more
Has global warming stopped? The tap of incoming energy cannot be turned off  PHYS.ORG · 1 week
As a result of industrialization, the carbon dioxide in the Earth's atmosphere has increased continuously over the past 100 years, which is... more
The Milky Way kidnapped several tiny galaxies from its neighbor  PHYS.ORG · 1 week
Just like the moon orbits the Earth, and the Earth orbits the sun, galaxies orbit each other according to the predictions of cosmology. more
Sharing data for improved forest protection and monitoring  PHYS.ORG · 1 week
Although the mapping of aboveground biomass is now possible with satellite remote sensing, these maps still have to be calibrated and validated using on-site data gathered by researchers across the world. IIASA... more
ESA’s Mars Express Orbiter Spots Ancient River System  SCI-NEWS.COM · 1 week
A new image from the High Resolution Stereo Camera onboard ESA’s Mars Express shows the part of Nirgal Vallis, a... more
River relic spied by Mars Express  PHYS.ORG · 1 week
Mars may seem to be an alien world, but many of its features look eerily familiar—such as this ancient, dried-up river system that stretches out for nearly 700 kilometres across the surface, making it one of... more
Light my fire: How to start up fusion devices every time  PHYS.ORG · 1 week
How do you start a fusion reaction, the process that lights the sun and stars, on Earth? Like lighting a match to start a fire, you... more
Ancient fossils reveal fresh clues about early life on land  PHYS.ORG · 1 week
Slime has been present on Earth for a very long time—almost 2 billion years, according to a recent reassessment of fossil evidence. more
GPS helping provide more precise precipitation predictions  PHYS.ORG · 1 week
Scientists are using GPS signals to measure air moisture for better weather forecasting. The method is now being incorporated into the Bureau of Meteorology's weather forecast models following successful tests over Australia, off the... more
'Cosmic Mudball Meteorite' Smells Like Brussels Sprouts, Finds New Home at Museum  LIVE SCIENCE · 1 week
A new meteorite addition to the Field Museum's collection resembles a malodorous mud brick, but it holds important clues about the origins of life... more
River relic spied by Mars Express  ESA · 1 week
Mars may seem to be an alien world, but many of its features look eerily familiar – such as this ancient, dried-up river system... more
For sea creatures, baseline shows disease as sentinel of change  PHYS.ORG · 1 week
The health of Earth's oceans is rapidly worsening, and newly published Cornell-led research has examined changes in reported diseases across undersea species at a global scale over a... more
Chemical evolution -- One-pot wonder  SCIENCE DAILY · 1 week
Before life, there was RNA: Scientists show how the four different letters of this genetic alphabet could be created from simple precursor molecules on early Earth -- under the same environmental conditions. more
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