Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, a formation that has earned the unsettling nickname “the wall demon.” The ...

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 ...

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 ...