Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help understand where to look for it.

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Questions about what the federal government may know about extraterrestrial life in the cosmos — or possibly even here on ...

President Trump said he's directing the Pentagon and other federal agencies to identify and release files related to UFOs and extraterrestrial life.