Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Debates over the presence of microplastics in the human body highlight the challenge of studying something simultaneously ...

"NASA is uncertain as to when … human-rating certification for the Starliner will be obtained." When you purchase through ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

People who believe they've been abducted by aliens have always resided at the farthest fringes of science, and the recent claim by a UFO cult known as the Raelians that they had cloned a human being ...

Octopuses are among the most bizarre and intelligent creatures ever discovered, evolving an almost unbelievable combination of camouflage, problem-solving, escape abilities, and biological superpowers ...