Europa’s faint glow in ultraviolet light once looked like a possible water plume punching through ice. After 14 years of Hubble data, that signal now looks far less certain.

If we’re going to find life on another world, Europa might just be our best bet. We think this icy moon of Jupiter has an ocean of water beneath its frozen surface, and it seems like this ocean might ...

A NASA illustration depicts Europa Clipper sailing over Europa's icy, salt-stained surface with Jupiter in the backgroundJPL/NASA Editor at Large Not a lot of spacecraft have gone aloft with poetry ...

The idea that extraterrestrial life could exist in our Solar System got one of its earliest boosts almost half a century ago when NASA spacecraft first photographed the more intricate details of ...