Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier for non-native plants and animals to get a foothold in far northerly ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Human activity brings with it alien species and creates excellent conditions that allow them to become established in an otherwise barren Arctic landscape. (Kristine Bakke Westergaard, NTNU via SWNS) ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...