The findings of a new study may help "explain some of the radio silence we’ve seen in technosignature searches" for alien signals, an astronomer said.

Stellar storms could be masking Alien radio messages.

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...