A mysterious crater on Pluto may not be the result of an ancient impact but rather the collapsed caldera of a massive icy ...

Billions of years ago, Earth was a dry, rocky planet with no oceans, no rivers, and no signs of water. So where did the vast ...

NASA’s Europa Clipper spacecraft just aced a key radar test while flying past Mars, proving its ability to detect structures ...

Europa’s surface chemistry hints at life-supporting conditions below. Lab tests reveal how peroxide forms in unexpected ...

A new study could help identify ancient signs of cryovolcanic activity. This, in turn, could help guide the search for ...

Electrons released when cosmic rays strike water-ice can provide energy for microbes and facilitate the formation of complex ...

For the first time, scientists had evidence for an icy ocean world, a category that is now known to include Europa’s siblings Calisto and Ganymede, as well as Saturn’s Enceladus and Titan, and ...

Study finds marine creatures off southern Australia share close evolutionary links with species in North Atlantic on other ...

A NASA spacecraft is about to commence a six-year journey to the Jupiter moon of Europa to undertake the historic task of searching the icy ocean world for signs that it could sustain life. Years ...

Scientists have long thought that our solar system's ocean worlds, such as Jupiter's moon Europa and Saturn's moon Enceladus, may harbor extraterrestrial life in the form of microbes. But ...

On Oct. 14, NASA's Europa Clipper spacecraft began a vital mission. It will be investigating the potential habitability of Jupiter's icy ocean moon Europa — but first, it has to get there.