Alarmed defense experts believe these UFOs may be highly advanced, next-generation spy drones, raising concerns about ...

A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating.

Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

Steven Spielberg’s latest UFO blockbuster is generating debate far beyond extraterrestrials and government secrets.

Neil deGrasse Tyson is challenging the latest wave of government UFO disclosures with a simple demand: if officials possess ...

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Americans "deserve the truth," a U.S. congressman has told a press conference as part of a wider transparency campaign.

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...