Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Steven Spielberg’s credulity makes his latest alien contact film, Disclosure Day, mawkish and old-fashioned rather than ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

A Bigfoot hunter who claimed to have found the legendary creature’s corpse now says he has scientific proof the remains are a ...

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A Japanese spacecraft flew by an asteroid and snapped a picture. It turned out to be a “contact binary”: two space rocks that somehow fused together. By Robin George Andrews The discovery bemused ...

The United States has lived almost exactly half its life in the aerospace era. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...