Experts suspect this space rock is a piece of the lunar surface torn off by a meteor impact, so it could be a time capsule ...

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

SEAS, saw people on the slopes of Mauna Loa volcano in Hawai’i (Picture: HI-SEAS) Nasa is asking wannabe Martians to spend a ...

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 ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Millions of fans are on U.S. soil for the first time. Wait till they see the registers, the restrooms and the tip screens.

The blockbuster release of Pentagon UFO files under President Donald Trump's push for transparency has triggered widespread panic that ETs are already among us and possess technology far superior to ...