Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...