A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

The Pentagon has released 40 new UAP files, including pilot reports of objects unlike anything seen before. Explore the ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to rule them out, according to a NASA‑linked study presented this month by ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the existence of extraterrestrials has become a laughingstock, with SNL making ...

For almost a decade—ever since 2017, when our first known interstellar visitor, 1I/‘Oumuamua, swooped through the inner solar ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars. They found that giant planets can spin faster than much more massive ...

When Gene Roddenberry created "Star Trek" in the 1960s, he instituted several rules for starship design that are still ...

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

Steven Spielberg’s recent sci-fi film “Disclosure Day" has loose ties to the High Desert of Southern California.

A UFO whistleblower pointed to a declassified intelligence assessment that he said contains evidence of a decades-long government effort to conceal the truth. Air Force veteran David Grusch stood on ...