A new biography of the Berlin-born philosopher emphasizes his combination of stubborn unworldliness and startling prescience.

"We hope our analysis encourages more research." Scientists raise alarm after discovering overlooked 'victims of invasion': 'Undergoing concerning declines' first appeared on The Cool Down.

On March 16, 1957, a 300-foot-long spacecraft allegedly landed in Alexandria, Virginia. Two police officers approached the craft — and out stepped a man who looked completely human. His first words: ...

Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of fascination — and spawned more than a few wild ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...