NASA's New Horizons probe has woken up in good health nearly 6 billion miles away beyond Pluto after spending nearly a year ...

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

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

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.

Federal agents backed by Los Angeles police swarmed a party supply store along Skid Row in Los Angeles as part of an alleged ...