An autonomous surface vessel launched from a submarine torpedo tube has passed key sea acceptance tests for covert naval ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

What are the processes necessary to do so? Can life travel from one planet to another? If so, how? Today's technology brings ...

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

Alligators live in bacteria-filled swamps and rarely get sick. The hidden chemistry inside their blood could help fight the superbugs that antibiotics can no longer kill.

A rover on Mars can drill into ancient rock, heat a pinch of it, and read the carbon-based molecules that boil off. Several have done exactly that. None has been able to prove that anything alive made ...

The International Academy of Astronautics has updated its protocols for confirming and announcing the discovery of alien life. New guidelines address the modern challenges of social media, ...

Are humans alone in the universe? The answer is more complicated than science fiction might suggest. Scientists have discovered billions upon billions of potentially habitable planets. But if life is ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: DFree / Shutterstock. Steven Spielberg says he believes aliens have already reached Earth. The director made the ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? It was a temperate summer evening on September 19, 1961, when husband-and-wife duo ...

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...