Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from Cold War-era research programs to efforts to study what the government now ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

The actress chats with PEOPLE in connection with her new movie, 'Operation Taco Gary's' Brenda Song tells PEOPLE there’s one conspiracy theory she believes She says her fiancé, Macaulay Culkin, wasn’t ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

new video loaded: Trump Says He’ll Release Alien and U.F.O. Files transcript “Are aliens real?” “They’re real, but I haven’t seen them. And, they’re not being kept in, what is it?” “Area 51.” “Area 51 ...

President Donald Trump said he will direct the release of government files related to alien and extraterrestrial life and unidentified aerial phenomena, saying there is "tremendous interest" in the ...

Karoline Leavitt addresses alien conspiracy theories after former president Obama made comments about aliens. BBC hits back in Trump's $10 billion lawsuit Mohamed El-Erian warns of financial-crisis ...