Over the last decade, since the work of a shadowy government program called the Advanced Aerospace Threat Identification ...

First of all, yes, it’s pronounced Enceladus , not enchiladas. Enceladus is Saturn’s sixth largest moon, but it would be better described as a winter wonderland. Winter, because it’s covered in ice ...

Remember the WOW signal from 1977? A 72-second narrowband radio signal detected by Ohio State University's Big Ear radio telescope created a significant buzz. But then, everything went silent. For ...

Neil deGrasse Tyson is an astrophysicist who is the director of the Hayden Planetarium at the American Museum of Natural ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

The former president swore that if the U.S. government knew about — or possessed — aliens, the information would have already ...

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Over the past decade, scientists have come up with a variety of frameworks to guide ...