Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

New simulations suggest TRAPPIST-1e's possible methane atmosphere may be a false signal from its star, raising fresh ...

After cataloging thousands of worlds beyond our solar system, astronomers are now closing in on a far rarer prize: a moon ...

What can carbon dioxide in an exoplanet’s atmosphere teach us about its formation and evolution? This is what a recent study published in The Astrophysical Journal hopes to address as an international ...

Key components of the new spectrograph designed at UNIGE have been successfully tested. They will enable analysis of light from the exoplanet Proxima b.

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system in our galaxy. Possibly a planet a little larger than Neptune orbiting a small star, the system could be ...

Check out the first findings from the Subaru Telescope.

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

An exoplanet the size of Jupiter has long intrigued astronomers because of its scorching temperatures, screaming winds and sideways rain made of glass. Now, data from the James Webb Space Telescope ...