More than 170 accounts and videos reveal never-before-known UFO sightings.

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

Luna's cryptic posts follow months of heightened interest in the topic of UFOs, and what might be revealed.

The U.S. government has released a slew of never-before-seen files about UFOs.

Add Yahoo as a preferred source to see more of our stories on Google. Zefram Cochran outdoors in Star Trek: First Contact - Paramount Veteran actor James Cromwell began his association with "Star Trek ...

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.

Veteran actor James Cromwell began his association with "Star Trek" in the 1990 "Star Trek: The Next Generation" episode "The Hunted." In that episode, he played Nayrock, the Prime Minister of Angosia ...

Add Yahoo as a preferred source to see more of our stories on Google. Veteran actor James Cromwell began his association with "Star Trek" in the 1990 "Star Trek: The Next Generation" episode "The ...

NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building blocks for the origin of life on Earth ...

As alien.gov flickers to life and Donald Trump teases 'very interesting' UFO files, conspiracy forums are ablaze with speculation but hard evidence and official confirmation remain stubbornly out of ...