A mysterious fireball moving in a way that defies the laws of gravity was spotted over Texas just as Earth has seen a surge in stunning meteor sightings.

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

"Just because it’s crazy doesn’t mean it’s not true, but we have to look into the realities," law enforcement told reporters.

The filmmaker weighed in on aliens and his career during a keynote appearance at South by Southwest Film & TV Festival on Friday: "I never want to quit." ...

Maj. Gen. William Neil McCasland, who retired from Wright-Patterson Air Force Base near Dayton, Ohio, is missing in New Mexico.

Surveys have found that researchers studying UAPs can face pushback from mentors and colleagues, even from people who think ...

A retired general from the Air Force has mysteriously disappeared in the wake of Trump announcing the release of government’s UFO-related files.

NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations.

The disappearance of retired Major General William Neil McCasland is a “grave national security crisis,” as he is a man “with some of the most sensitive secrets of the United States in his head,” ...

New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by diverting their orbits.

A European spacecraft heading to Jupiter has caught the most detailed image of the comet that had astronomers perplexed and worried it might hit the Earth. The interstellar comet ...

Maj. Gen. William Neil McCasland retired as commander of a facility at Wright-Patterson in Dayton, Ohio. His name has come up ...