Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should be out there. One theory says advanced civilizations may stop expanding ...

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

TRAPPIST-1 is a red dwarf star located about 40 light years away that hosts seven Earth-sized rocky planets, with at least three orbiting in the habitable zone where liquid water could potentially ...

Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

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