From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Elon Musk doesn't believe aliens have visited planet Earth and thinks UFOs have more to do with the United States government and less with little green men, RadarOnline.com can reveal. The world's ...

Avi Loeb argued that humanity spent 70 years waiting for alien radio signals when it should have been searching its own backyard. The discovery of interstellar objects — a 2014 meteor, ‘Oumuamua, and ...

A set of photos taken over 70 years ago may hold the key to new revelations surrounding the existence of unidentified aerial phenomena (UAPs) – or UFOs – popping up near nuclear testing sites.

Steven Spielberg’s new UFO movie has reignited speculation within the alien conspiracy theory community, especially after cryptic billboards teasing the upcoming film popped up across the country this ...

Is 3I/ATLAS following its heart? Harvard scientist Avi Loeb believes that 3I/ATLAS boasts a “heartbeat”-like pulse that could provide evidence of its artificial origins — potentially even pointing to ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...