The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO disclosure and renewed debate over extraterrestrial life.

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

Add Yahoo as a preferred source to see more of our stories on Google. Former President Barack Obama addressed the possibility of extraterrestrial life in a recent interview, responding to questions ...

How can we identify stars likely to host planets suitable for life? This question has long motivated astronomers, and an ...

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of fascination — and spawned more than a few wild ...

Scientists confirm a Bronze Age iron artifact from Sanxingdui was made from extraterrestrial material, revealing ancient ...

Scientists are turning their attention closer to home, investigating unexpected locations within our solar system for signs ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...