After two decades in space, NASA’s Cassini mission ended with a dramatic plunge into Saturn – but not before sending back ...

NASA's most monumental achievements, the space agency's epic mission, provided the world with the first real, close-up images ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Typically, solar heat or a planet’s gravity influences atmospheric behaviour. Scientists expected Titan’s tilt to shift over ...