For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became ...

Devils Tower, Wyoming (CNN) — The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a ...

Does the CIA have its own “Men in Black”? Apparently, the government isn’t disclosing everything it knows about UFOs. A whistleblower has accused the CIA of attempting to use sites like 23andMe and ...

The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a distinguished director settled in near ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...