When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too ...

Earth’s deep past leaves plenty of unanswered questions. None currently proves an alien visit, but scientists know the ...

Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

“USA250: The Story of the World’s Greatest Economy” is a yearlong WSJ series examining America’s first 250 years. Read more about it from Editor in Chief Emma Tucker. Imagine the first convincing ...

The video examines whether extraterrestrial life might resemble organisms already found on Earth. Convergent evolution has ...

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes ...

A new series of declassified Pentagon documents has brought the mysterious Roswell incident of 1947 back into focus. Among the materials is the testimony of a former US officer who claimed to have ...

On Friday, the U.S. Department of 'War' published the seventh release of Unidentified Anomalous Phenomena files on WAR.GOV/UFO. Statement Attributable to Assistant to the Secretary of War for Public ...

Cue the curiosity surrounding extraterrestrial life. The U.S. Department of Homeland Security has registered two new federal domains, including Alien.gov and Aliens.gov, though the websites aren't ...

The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline.com can report. Extraterrestrial experts are trying to temper expectations and predictions ...