Exoplanets
Dedicated to the hunt for planets orbiting other stars. Visit ALIEN-LIFE for related news.
Rapid destruction of Earth-like atmospheres by young stars  SCIENCE DAILY · 2 days
The discoveries of thousands of planets orbiting stars outside our solar system has made questions about the potential for life to form on these planets. Fundamentally important for the habitability of a... more
Rapid destruction of Earth-like atmospheres by young stars  PHYS.ORG · 2 days
The discoveries of thousands of planets orbiting stars outside our solar system has made questions about the potential for life to form on these planets fundamentally important in modern science. Fundamentally important... more
'Marsquake': first tremor detected on Red Planet  PHYS.ORG · 2 days
Scientists said Tuesday they might have detected the first known seismic tremor on Mars in a discovery that could shed light on the ancient origins of Earth's neighbour. more
Five Planets Revealed after 20 Years of Observation  ASTRO WATCH · 4 days
A team of astronomers led by the UNIGE has discovered five new planets with periods of revolution between 15 and... more
Powerful Particles and Tugging Tides May Affect Extraterrestrial Life  ASTRO WATCH · 5 days
Since its discovery in 2016, planetary scientists have been excited about TRAPPIST-1, a system where seven Earth-sized rocky... more
Scientists Find Evidence Mercury Has a Solid Inner Core  ASTRO WATCH · 5 days
Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury’s outer core is composed... more
Astronomers Discover Third Planet in the Kepler-47 Circumbinary System  ASTRO WATCH · 1 week
Astronomers have discovered a third planet in the Kepler-47 system, securing the system’s title as the most interesting... more
Searching for hidden earthquakes in Southern California  Science Magazine · 1 week
Earthquakes follow a well-known power-law size relation, with smaller events occurring much more often than larger events. Earthquake catalogs are thus dominated by small earthquakes, yet still missing a much larger number of even... more
TESS Discovers Its First Earth-sized Planet  ASTRO WATCH · 1 week
NASA’s Transiting Exoplanet Survey Satellite, TESS, has discovered its first Earth-sized exoplanet. The planet, named HD 21749c, is the smallest world outside our solar... more
A House-Size Asteroid Zipped by Earth Today  SPACE.COM · 1 week
An asteroid the size of a house gave Earth a close shave today (April 18), passing nearer to our planet than any other space rock will for the rest of this year — that... more
Five planets revealed after 20 years of observation  PHYS.ORG · 1 week
Over 4000 exoplanets have been discovered since the first one in 1995, but the vast majority of them orbit their stars with relatively short periods of revolution. Indeed, to confirm the presence... more
Mercury has a solid inner core: New evidence  SCIENCE DAILY · 1 week
Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury's outer core is composed of liquid metal, but there have only been hints that Mercury's innermost core is... more
ARIEL Data Challenge Series launched to build global community for exoplanet data solutions  nanowerk · 1 week
ARIEL, a mission to make the first large-scale survey of exoplanet atmospheres, has launched a global competition series to find innovative solutions... more
Powerful particles and tugging tides may affect extraterrestrial life  SCIENCE DAILY · 1 week
Two new studies, one on high-energy particles and the other on tidal forces, may bring into question the habitability of TRAPPIST-1 exoplanets. more
Five planets revealed after 20 years of observation  SCIENCE DAILY · 1 week
To confirm the presence of a planet, it is necessary to wait until it has made one or more revolutions around its star. This can take from a few days for the... more
Evidence of another possible planet orbiting Proxima Centauri  PHYS.ORG · 1 week
A team of researchers studying the nearest star to our solar system, Proxima Centauri, has found possible evidence of a second planet in its system. Team members Fabio Del Sordo with the... more
Powerful particles and tugging tides may affect extraterrestrial life  PHYS.ORG · 1 week
Since its discovery in 2016, planetary scientists have been excited about TRAPPIST-1, a system where seven Earth-sized rocky planets orbit a cool star. Three of the planets are in the... more
HD 21749c: TESS Discovers Its First Earth-Sized Exoplanet  SCI-NEWS.COM · 1 week
NASA’s Transiting Exoplanets Survey Satellite (TESS) has discovered its first Earth-sized planet — HD 21749c. The newly-discovered planet orbits HD... more
Powerful particles and tugging tides may affect extraterrestrial life  nanowerk · 1 week
Two new studies by space scientists may bring into question the habitability of TRAPPIST-1 exoplanets. more
Astronomers discover third planet in the Kepler-47 circumbinary system  SCIENCE DAILY · 1 week
Astronomers have discovered a third planet in the Kepler-47 system, securing the system's title as the most interesting of the binary-star worlds. Using data from NASA's Kepler space telescope, a... more
TESS discovers its first Earth-sized planet  nanowerk · 1 week
Orbiting a nearby star, the new planet is the smallest identified so far by the TESS mission. more
Discovery! 3rd Planet Found in Two-Star 'Tatooine' Star System  SPACE.COM · 1 week
A third world lurks in the two-star Kepler-47 system, and it's bigger than its two previously known siblings, a new study reports. more
Astronomers discover third planet in the Kepler-47 circumbinary system  PHYS.ORG · 1 week
Astronomers have discovered a third planet in the Kepler-47 system, securing the system's title as the most interesting of the binary-star worlds. Using data from NASA's Kepler space telescope, a... more
NASA's TESS Exoplanet Mission Finds 1st Earth-Size Alien World  SPACE.COM · 1 week
The Transiting Exoplanet Survey Satellite spotted the planet, as well as a weird "sub-Neptune" world, circling the star HD 21749, which lies about 53 light-years from Earth. more
NASA Exoplanet Hunter TESS Finds Earth-Size Planet  Gadgets 360 · 1 week
NASA's new exoplanet hunter Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size world. more
TESS discovers its first Earth-sized planet  MIT · 1 week
Orbiting a nearby star, the new planet is the smallest identified so far by the TESS mission. more
TESS finds its first Earth-sized planet  SCIENCE DAILY · 1 week
A nearby system hosts the first Earth-sized planet discovered by NASA's Transiting Exoplanets Survey Satellite, as well as a warm sub-Neptune-sized world. This milestone sets the path for finding smaller planets around even smaller stars, and... more
TESS finds its first Earth-sized planet  PHYS.ORG · 1 week
A nearby system hosts the first Earth-sized planet discovered by NASA's Transiting Exoplanets Survey Satellite, as well as a warm sub-Neptune-sized world, according to a new paper from a team of astronomers that includes Carnegie's Johanna... more
Necrophagy: A means of survival in the Dead Sea  SCIENCE DAILY · 2 weeks
Researchers have examined the sediments in the Dead Sea. The geologists drilled a 400-meter hole before analyzing each layer of sediment and the traces of a strategy that enables bacteria... more
Breezing through the space environment of Barnard's Star b  PHYS.ORG · 2 weeks
The closest exoplanet to us, if we include only single stars like the Sun, is the planet around Barnard's Star, Barnard's Star-b ("BSb"). (The planet Promixa Centauri-b is closer, but... more
Blobs 500 times the size of Earth are being burped from the sun - CNET  CNET · 2 weeks
We now know more about the gigantic "periodic density structures" that emerge from the sun every 90 minutes. more
Nearest Exoplanets Could Host Life  ASTRO WATCH · 2 weeks
Excitement about exoplanets skyrocketed when rocky Earth-like planets were discovered orbiting in the habitable zone of some of our closest stars – until hopes for life... more
The Sun Is Spitting Out 'Lava Lamp Blobs' 500 Times the Size of Earth  SPACE.COM · 2 weeks
The blobs are real, they’re chock full of charged particles and they’re heading our way several times each day. more
Are Brown Dwarfs Failed Stars Or Super-Planets?  ASTRO WATCH · 2 weeks
Brown dwarfs fill the “gap” between stars and the much smaller planets – two very different types of astronomical objects. But how... more
Possible 2nd Planet Spotted Around Proxima Centauri  SPACE.COM · 2 weeks
Astronomers have detected a candidate planet circling the star Proxima Centauri, which lies just 4.2 light-years from our solar system. Proxima is already known to host one world, the roughly Earth-size Proxima b. more
Warm winds in autumn could strain Antarctica's Larsen C ice shelf  PHYS.ORG · 2 weeks
The Antarctic Peninsula is the northernmost part of Earth's coldest continent, making it particularly vulnerable to a changing global climate. Surface melting of snow and ice... more
Public invited to help name the largest unnamed world in the solar system  PHYS.ORG · 2 weeks
More than 10 years since its discovery, (225088) 2007 OR10 is the largest minor planet in our solar system without a name,... more
Exoplanet detectors  PHYS.ORG · 2 weeks
The first batch of charge-coupled devices, or CCDs, to be flown on ESA's PLATO space observatory was accepted by ESA last month. This is an important milestone on the road to creating a groundbreaking spacecraft that will detect Earth-sized exoplanets... more
Surviving climate change means transforming both economics and design  PHYS.ORG · 2 weeks
What could be more important than sustaining habitable living conditions on Earth? Climate change, biodiversity loss and other environmental problems demand changes on an order of magnitude well beyond the... more
Exoplanet detectors  ESA · 2 weeks
Our future mission Plato, due to launch in 2026, will use highly sensitive light detectors to monitor the brightness of thousands of stars in search of Earth-sized planets more
Lunar Meteorites Reveal Origin of Our Moon, Study Claims  Gadgets 360 · 2 weeks
Analysing lunar meteorites has provided new evidence that the Moon was formed after a Mars-sized body impacted the Earth 4.5 billion years ago, finds a study. more
Google Raises Price of YouTube TV to $49.99, Adds Discovery, Animal Planet  Gadgets 360 · 2 weeks
Google has raised the monthly membership price of YouTube TV by 25 percent to $49.99, while adding channels such as Discovery, Animal Planet, and... more
How the Event Horizon Telescope Hunts for Black Hole Silhouettes  SPACE.COM · 2 weeks
The secret of the project's success is linking radio dishes across the globe to create a virtual telescope about the size of Earth. more
How scientists took the first picture of a black hole  SCIENCE-NEWS · 2 weeks
Here’s how scientists connected eight observatories across the world to create one Earth-sized telescope in order to create an image of a black hole. more
Are brown dwarfs failed stars or super-planets?  PHYS.ORG · 2 weeks
Brown dwarfs fill the "gap" between stars and the much smaller planets—two very different types of astronomical objects. But how they originate has yet to be fully explained. Astronomers from Heidelberg University may now... more
Black Holes May Finally Be Ready for Their Close-Up  Gadgets 360 · 2 weeks
The Event Horizon Telescope is a network of 10 radio telescopes on four continents that collectively operate like a single instrument nearly the size of the Earth. more
Are brown dwarfs failed stars or super-planets?  SCIENCE DAILY · 2 weeks
Brown dwarfs fill the 'gap' between stars and the much smaller planets. But how they originate has yet to be fully explained. Astronomers may now be able to answer that question. They discovered that... more
Life could be evolving right now on nearest exoplanets  SCIENCE DAILY · 2 weeks
Rocky, Earth-like planets orbiting our closest stars could host life, according to a new study that raises the excitement about exoplanets. more
Life could be evolving right now on nearest exoplanets  PHYS.ORG · 2 weeks
Excitement about exoplanets skyrocketed when rocky Earth-like planets were discovered orbiting in the habitable zone of some of our closest stars – until hopes for life were dashed by the... more
The Sun Is Spitting Out 'Lava Lamp Blobs' 500 Times the Size of Earth  LIVE SCIENCE · 2 weeks
The blobs are real, they’re chock full of charged particles and they’re heading our way several times each day. more
Newly Discovered Stadium-Sized Asteroid to Fly By Earth on Tuesday  ASTRO WATCH · 3 weeks
A newly detected football stadium-sized asteroid, designated 2019 FU, is expected to fly by the Earth... more
Damaging Sichuan earthquakes linked to fracking operations  SCIENCE DAILY · 3 weeks
Two moderate-sized earthquakes that struck the southern Sichuan Province of China last December and January were probably caused by nearby fracking operations, according to a new study. more
Planet-Like Object Found Orbiting White Dwarf  SCI-NEWS.COM · 3 weeks
Astronomers using the Gran Telescopio Canarias have spotted a low-mass planet-like object in a disk of gas and debris around SDSS J122859.93+104032.9, a white... more
Damaging Sichuan earthquakes linked to fracking operations  PHYS.ORG · 3 weeks
Two moderate-sized earthquakes that struck the southern Sichuan Province of China last December and January were probably caused by nearby fracking operations, according to a new study published in Seismological Research Letters. more
How a startup plans to clean up space  PHYS.ORG · 3 weeks
Since 2012, engineers at EPFL's Space Center have been hard at work on a new junk-clearing satellite to capture debris orbiting the earth. The team has now shifted up a gear, founding... more
Heavy Metal Miniplanet Survived Death of Its Star  Gadgets 360 · 3 weeks
The strange, shattered world, described Thursday in the journal Science, is the second body found orbiting this type of dead star. more
Heavy metal planet fragment survives destruction from dead star  SCIENCE DAILY · 3 weeks
A fragment of a planet that has survived the death of its star has been discovered by astronomers in a disc of debris formed from destroyed planets, which the star... more
A planetesimal orbiting within the debris disc around a white dwarf star  Science Magazine · 3 weeks
Many white dwarf stars show signs of having accreted smaller bodies, implying that they may host planetary systems. A small number of these systems... more
Heavy metal planet fragment survives destruction from dead star  PHYS.ORG · 3 weeks
A fragment of a planet that has survived the death of its star has been discovered by University of Warwick astronomers in a disc of debris formed from destroyed planets,... more
Solar wind: And the blobs just keep on coming  SCIENCE DAILY · 3 weeks
Scientists re-inspected 45-year-old Helios data, finding long trains of massive blobs -- like lava lamp's otherworldly bubbles, but 50 to 500 times the size of Earth -- that ooze from... more
Love Island: Flamboyant males get the girls on Madagascar  SCIENCE DAILY · 3 weeks
Scientists have discovered two new species of giant stick insect on Madagascar, whose males become dazzling blue or multicolored at sexual maturity. The researchers describe their rare and exciting findings,... more
AI Finds Elusive Super-Earths in K2 Data  SCI-NEWS.COM · 3 weeks
A team of researchers from Google Brain, the University of Texas at Austin, MIT, the University of California, Berkeley, Harvard-Smithsonian Center for... more
Exoplanet satellite ready  PHYS.ORG · 4 weeks
ESA's Characterising Exoplanet Satellite, Cheops, was recently declared ready to fly after completing a series of final spacecraft tests. more
Violent Planetwide Storm Spotted Above Distant Exoplanet  SPACE.COM · 4 weeks
New data from the European Southern Observatory shows raging storm clouds of iron and silicates swirling above a distant exoplanet. more
Data Flows from NASA’s TESS Mission, Leads to Discovery of Saturn-sized Planet  ASTRO WATCH · 4 weeks
Astronomers who study stars are providing a valuable assist to the planet-hunting astronomers pursuing the primary objective of NASA’s new TESS Mission. In fact, asteroseismologists... more
Cutting-edge VLTI Instrument Reveals Details of a Storm-wracked Exoplanet Using Optical Interferometry  ASTRO WATCH · 4 weeks
The GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI) has made the first direct observation of an exoplanet using optical interferometry. This method... more
Two New Planets Discovered Using Artificial Intelligence  ASTRO WATCH · 4 weeks
Astronomers at The University of Texas at Austin, in partnership with Google, have used artificial intelligence (AI) to uncover two more hidden... more
Hot-Saturn Exoplanet Discovered by TESS, Characterized Using Asteroseismology  SCI-NEWS.COM · 4 weeks
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a massive gaseous exoplanet orbiting a subgiant star called HD... more
Exoplanet satellite ready  ESA · 4 weeks
ESA’s Characterising Exoplanet Satellite, Cheops, was recently declared ready to fly after completing a series of final spacecraft tests. more
The hunt is on for closest Earth-like planets  ASTRO WATCH · 4 weeks
NASA’s new Transiting Exoplanet Survey Satellite (TESS) is designed to ferret out habitable exoplanets, but with hundreds of thousands of... more
Data flows from NASA's TESS Mission, leads to discovery of Saturn-sized planet  PHYS.ORG · 4 weeks
Astronomers who study stars are providing a valuable assist to the planet-hunting astronomers pursuing the primary objective of NASA's new TESS Mission. more
Data flows from NASA's TESS Mission, leads to discovery of Saturn-sized planet  SCIENCE DAILY · 4 weeks
Astronomers who study stars have contributed to the analysis of a planet discovered by NASA's new TESS Mission. It's the first planet identified by... more
TESS Astronomers Create Catalog of Habitable Zone Stars  SCI-NEWS.COM · 4 weeks
NASA’s Transiting Exoplanet Survey Satellite (TESS) is the first space-based, all-sky surveyor to search for alien worlds. The spacecraft was... more
Astronomers Discover Ancient System with Two Super-Earths  SCI-NEWS.COM · 4 weeks
An international team of astronomers has discovered a hot rocky and a warm puffy super-Earth exoplanets orbiting the 7.5-billion-year-old star HD 15337.... more
GRAVITY instrument breaks new ground in exoplanet imaging  nanowerk · 4 weeks
Cutting-edge VLTI instrument reveals details of a storm-wracked exoplanet using optical interferometry. more
GRAVITY instrument breaks new ground in exoplanet imaging  SCIENCE DAILY · 4 weeks
The GRAVITY instrument on ESO's Very Large Telescope Interferometer (VLTI) has made the first direct observation of an exoplanet using optical interferometry. This method revealed a complex exoplanetary atmosphere with clouds of... more
GRAVITY instrument breaks new ground in exoplanet imaging  PHYS.ORG · 4 weeks
The GRAVITY instrument on ESO's Very Large Telescope Interferometer (VLTI) has made the first direct observation of an exoplanet using optical interferometry. This method revealed a complex exoplanetary atmosphere with clouds of... more
Earth’s Deep Mantle Flows Dynamically  ASTRO WATCH · 4 weeks
As ancient ocean floors plunge over 1,000 km into the Earth's deep interior, they cause hot rock in the lower mantle to flow much more dynamically... more
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