When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

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 ...

The dense clump that will appear at upper left during the animation is where the Kepler Telescope found most of its planets, since it focused on this specific region of the ...

:rocket: Could aliens be hiding on a frozen twin of Earth? NASA has just discovered a rocky exoplanet that’s remarkably ...