Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what ...

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 planets orbit a star around 133 light-years away from Earth.

A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its subsurface ocean." When you purchase through links on our site, we may earn an ...