Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

Scientists using NASA’s James Webb Space Telescope have found a unique planet in another star system that’s shaped like a lemon. The lopsided Jupiter-style planet is so bizarre that it may blur the ...

The National Aeronautics and Space Administration (NASA)'s Perseverance Mars rover made an unbelievable discovery on the planet of Mars that doesn't seem to be from that planet. Indeed, a roughly ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

This not-so-little piece of equipment could change astronomy forever. And it could be about to find alien life. Maybe in a ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...