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

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 ...

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 War Department released more than 160 files Friday related to sightings of UFOs dating back nearly 80 years, two days ...

Could there be life on other planets, and if so, what would it look like? Astrobiologist Lewis Dartnell is hunting for alien ...

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

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