Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

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

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Delivered daily ...

A former intelligence officer testifies under oath that the U.S. government has been hiding UFO programs for decades. With claims of recovered craft, multiple witnesses, and restricted information, ...

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.

President Donald Trump's push to pass the Safeguard American Voter Eligibility (SAVE) America Act is taking center stage this week in the Senate, where it faces an uphill battle amid unified ...