From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

The Supreme Court on Tuesday will rule on the constitutionality of President Donald Trump’s order on birthright citizenship ...

The court upheld state laws in West Virginia and Idaho barring the participation of transgender female athletes from girls’ and women’s sports teams.

But, if a robot needs more brainpower, it can draw it from a local server via Wi-Fi. A robot’s A.I., like most computer ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

A new protein analysis of Homo naledi skeletons reveals a curious twist—none of them seem to have Y chromosomes.

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 ...

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David Grusch, a whistleblower and former National Reconnaissance Officer Representative of Unidentified Anomalous Phenomena Task Force at the U.S. Department of Defense, speaks during a news ...