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Large Amounts of Oxygen Detected in Ancient Star’s Atmosphere


An international team of astronomers from the University of California San Diego, the Instituto de Astrofísica de Canarias…
Giant Planets Could Form Around Tiny Stars in Just a Few Thousand Years


M-type (red dwarf) stars are cooler, low-mass, low-luminosity objects that make up the vast majority of stars in…
Artist's rendering of a "hot Jupiter" called KELT-9b, the hottest known exoplanet - so hot, a new paper finds, that even molecules in its atmosphere are torn to shreds. Credit: NASA/JPL-Caltech
For Hottest Planet, a Major Meltdown, Study Shows

2 days ago

In the scorching atmosphere of exoplanet KELT-9b, even molecules are torn to shreds. Massive gas giants called “hot…
How Earth Climate Models Help Scientists Picture Life on Unimaginable Worlds

2 days ago

In a generic brick building on the northwestern edge of NASA’s Goddard Space Flight Center campus in Greenbelt,…
NASA’s Kepler Witnesses Vampire Star System Undergoing Super-Outburst

2 days ago

NASA’s Kepler spacecraft was designed to find exoplanets by looking for stars that dim as a planet crosses…
How NASA’s Webb Telescope Will Continue Spitzer’s Legacy

4 days ago

While the Spitzer Space Telescope is headed for retirement, many of its breakthroughs will be studied more precisely…
A Second Planet May Have been Found Orbiting Proxima Centauri! And it is a Super Earth.

January 16, 2020

Astronomers have discovered another candidate exoplanet orbiting our neighbor, Proxima Centauri. A paper announcing these results was just…
“Cold Neptune” And Two Temperate Super-Earths Found Orbiting Nearby Stars

January 15, 2020

A “cold Neptune” and two potentially habitable worlds are part of a cache of five newly discovered exoplanets…
A New Tool for ‘Weighing’ Unseen Planets

January 9, 2020

The NEID instrument will help scientists determine the density of distant planets, which can reveal whether the planet…
Planet WASP-12b is on a death spiral, say scientists

January 8, 2020

Earth is doomed — but not for 5 billion years. Our planet will be roasted as our sun…
Image credit: NASA/GSFC/Friedlander-Griswold
Scientists develop new method to detect oxygen on exoplanets

January 8, 2020

Scientists have developed a new method for detecting oxygen in exoplanet atmospheres that may accelerate the search for…
NASA Planet Hunter Finds Earth-Size Habitable-Zone World

January 7, 2020

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star’s habitable zone, the range…
NASA’s TESS Mission Uncovers Its 1st World With Two Stars

January 7, 2020

In 2019, when Wolf Cukier finished his junior year at Scarsdale High School in New York, he joined…
Tiny Satellite for Studying Distant Planets Goes Quiet

January 4, 2020

Mission operators at NASA’s Jet Propulsion Laboratory in Pasadena, California, have lost contact with the ASTERIA satellite, a…
NASA to Announce New Discoveries at Annual Astronomy Meeting

January 2, 2020

NASA researchers will present new findings on a wide range of astrophysics and other space science topics at…
‘Cotton Candy’ Planet Mysteries Unravel in New Hubble Observations

December 30, 2019

“Super-Puffs” may sound like a new breakfast cereal. But it’s actually the nickname for a unique and rare…
A sign that aliens could stink

December 20, 2019

Phosphine is among the stinkiest, most toxic gases on Earth, found in some of the foulest of places,…
A mission to find the next Earth

December 16, 2019

Astronomers are making the case for a new mission to search for Earth-like planets outside our solar system.…
Water common – yet scarce – in exoplanets

December 11, 2019

The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current…
First Giant Planet around White Dwarf Found

December 5, 2019

ESO observations indicate the Neptune-like exoplanet is evaporating. “It was one of those chance discoveries,” says researcher Boris…
Artist’s impression of the giant planet and white dwarf
Hidden giant planet revealed around tiny white dwarf star

December 5, 2019

The first evidence of a giant planet orbiting a dead white dwarf star has been found in the…
Gas Giant Composition Not Determined By Host Star

December 4, 2019

A surprising analysis of the composition  of gas giant exoplanets and their host stars shows that there isn’t…
There Could be Planets Orbiting Around Supermassive Black Holes

November 27, 2019

Perhaps the greatest discovery to come from the “Golden Age of General Relativity” (ca. 1960 to 1975) was…
Of the Two Stars in Alpha Centauri, One is Probably More Habitable than the Other

November 23, 2019

In the past, the number of known exoplanets has exploded, with 4093 confirmed detections so far (and another…
Exoplanet Axis Study Boosts Hopes of Complex Life, Just Not Next Door

November 21, 2019

“They’re out there,” goes a saying about extraterrestrials. It would seem more likely to be true in light…
NASA’s TESS helps astronomers study red-giant stars, examine a too-close planet

November 20, 2019

NASA’s planet-hunting TESS Mission keeps giving astronomers new realities to examine and explain. Case in point: astronomers using the tools…
How Large Can A Planet Be?

November 19, 2019

Jupiter is the largest planet in the solar system. In terms of mass, Jupiter towers over the other…
Tatooines everywhere? Many of the Exoplanets Already Discovered are in Multi-Star Systems

November 16, 2019

Right now, we know of about 4,000 confirmed exoplanets, mostly thanks to the Kepler mission. TESS, the Transiting…
Even ‘Goldilocks’ exoplanets need a well-behaved star

November 12, 2019

An exoplanet may seem like the perfect spot to set up housekeeping, but before you go there, take…
TESS Has Now Captured Almost the Entire Southern Sky. Here is a Mosaic Made of 15,347 Photographs

November 9, 2019

On April 18th, 2018, NASA’s Transitting Exoplanet Survey Satellite (TESS) took to space for the first time. By…
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