When a mysterious crescent appeared over Moscow in 1967, alien enthusiasts were unaware they were actually tracking a 3-megaton weapon designed to bypass American radar.

Can NASA and Elon Musk get us to Mars and beyond?

NASA is speeding up communications in space with experiments aboard the International Space Station, Orion spacecraft and more. Credit: NASA Goddard Space Flight Center Supreme Court cans Trump's dumb ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research Program, or HAARP—believe another. A common misconception is that it can ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

In the spring of 1967, a series of unusual sightings began to grip the ...

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

Trump accused Obama of revealing classified information about aliens, calling it a "big mistake" during Air Force One interview with Fox News reporter.

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.