A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

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 ...

Researchers from NASA’s Jet Propulsion Lab (JPL) recently detected the presence of ammonia — a nitrogen-bearing compound crucial to supporting life — on ...