Astronomers recently announced the discovery of TOI-700e, a habitable-zone, Earth-sized planet some 102 light-years away in the southern constellation...
Princeton Plasma Physics Laboratory physicists Deepen Garg and Ilya Dodin say they can better understand the state of the cosmos shortly after the Big...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have validated the discovery of a warm, 0.99 Earth-radius exoplanet interior to the habitable...
The newly-discovered alien world, named TOI-700e, is 95% Earth’s size and likely rocky.
An artist’s impression of TOI-700e (larger planet) and TOI-700d....
The two temperate Earth-mass planets are located within the habitably zone of Gliese 1002, a red dwarf star that lies just 4.84 parsecs (16 light-years)...
Kepler-1658b is a hot-Jupiter exoplanet orbiting a very massive star 2,600 light-years away.
An artist’s concept of the Kepler-1658 system. Image credit:...
Using data from the NASA/ESA Hubble Space Telescope and NASA’s retired Spitzer space telescope, astronomers have discovered that two exoplanets around...
While the NASA/ESA/CSA James Webb Space Telescope and other space telescopes previously have revealed isolated ingredients of the atmosphere of WASP-39b,...
WD J2147-4035, an 11-billion-year-old white dwarf located 91 light-years away in the constellation of Grus, is accreting debris from orbiting planetesimals,...
Using data from NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton spacecraft, astronomers have looked for the effects of massive, close-in planets...
Gliese 1252b, a super-Earth exoplanet that orbits an M-dwarf star 67 light-years away, retains only a tenuous mineral exosphere.
An artist’s impression...
TOI-3757b is the lowest-density transiting exoplanet known to orbit an M-dwarf (red dwarf) star.
An artist’s impression of TOI-3757b and its parent star....
Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have detected and characterized...
Barium, a chemical element with the symbol Ba and atomic number 56, is the heaviest element detected to date in any exoplanetary atmosphere.
This artist’s...
The triple star system LTT 1445, at a distance of 22.5 light-years, hosts some of the nearest rocky planets.
This Chandra image shows the LTT 1445 system:...
Methylated gases are made when organisms add a carbon and three hydrogen atoms to an undesirable chemical element. Called methylation, this process can...
Nitrous oxide (also known as laughing gas) — a product of microbial nitrogen metabolism — is a compelling exoplanet biosignature gas with distinctive...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a Jovian planet orbiting the M4-type dwarf TOI-5205. Their paper...