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

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

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

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

June's full moon in 2026, the Strawberry Moon, has come and gone. Here's when the next one will be.

NASA has unveiled its ambitious plan to build the first permanent human base on the Moon’s South Pole. The project will ...

June's Strawberry Moon will illuminate the night sky. Here's what to know.

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...