Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

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Donald Trump said that he will give the green light to the release of classified information on extraterrestrials and alien life forms. The move comes after comments by Barack Obama, who did not rule ...

When they light up, it's as if someone has flicked on a switch — the sea suddenly fills with tiny blue orbs. These glowing lifeforms are umi-hotaru (sea fireflies). But though they're called ...

Capitol push for disclosure: David Grusch and lawmakers urged the White House to release alleged proof of alien life and ...

Thomas Mulligan examines the scientific challenge of defining and searching for non-Earth-like alien life forms that may not rely on carbon, water, or DNA.