A strange theory has reopened one of anthropology’s most fascinating questions: could a tiny, human-like species still be ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

If life is found beyond Earth, scientists known as astrobiologists will want to study any living beings. The first ...

American Alt is the odyssey of two friends trying to piece together the fragments of Michael’s shattered memory and uncover ...

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 ...

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

Scientists are sure that the tiny ancient humans went extinct 50,000 years ago. However, one of them believes that there is a ...

Supergiant deep-sea isopods endure years without food by pairing an enlarged stomach with cold-adapted metabolic control.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...