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 ...

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

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 ...

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

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

Aliens: "Sorry, you're cutting out!" The post Something May Be Scrambling Alien Messages, NASA-Funded Research Finds appeared ...

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 ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

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