Harvard scientist Avi Loeb says humans are not at the cosmic top table and calls for full release of UFO data, arguing that proof of extraterrestrial visitors could force us to rethink our future.

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

Add Yahoo as a preferred source to see more of our stories on Google. We humans have numerous scientific activities currently involved in the search for extraterrestrial intelligence (SETI). These ...

Declassified FBI files detail 1950s claims that aliens viewed humans as the lowest life form, revealing how US agents investigated extraordinary reports without confirming them.

The US has recovered four distinct species of extraterrestrial life from crashed UFOs, a former CIA-funded government researcher sensationally claimed this week. Dr. Hal Puthoff, former Advanced ...

Astronomer Dr. David Kipping argued that we're more likely to meet a "unusually loud" extraterrestrials whose empire is on the decline. When ET phones home, it could be his last call. Contrary to ...