While the James Webb Space Telescope has detected CO2 and methane on K2-18b, these gases are regularly produced by non-living processes.

Using NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system ...

The exoplanet orbits its host star in just over five days, making its "year" only a fraction of an Earth month. Its path ...

Astronomers report the detection of a second exoplanet orbiting a G-type star known as TIC 393818343, located some 300 light ...

Astronomers using the James Webb Space Telescope had to race against time to image a young exoplanet before it disappeared ...

Astronomers from the University of Southern Queensland (UniSQ) in Australia and elsewhere have reinvestigated a planetary ...

Space.com talks to artist and author Martin Vargic, who is turning exoplanets into stunning and intricate art.

Scientists have not yet found direct evidence of a moon outside our solar system -- but they just found a hint of a hellish one.

In a paper slated for publication April 14 in Science, Currie reports the first exoplanet jointly discovered through direct imaging and precision astrometry, a new indirect method that identifies a ...

We’ve got a cosmic mystery on our hands. No one’s ever confirmed the existence of an ‘exomoon,’ which is a moon outside our ...

The James Webb Space Telescope (JWST) has captured a groundbreaking image of AF Leporis b, the lowest-mass exoplanet directly ...

Using NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system of three tightly bound stars that could fit between the sun and Mercury.