From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

What would they think of us? Today in History: April 12, Euro Disney opens in Paris Artemis II’s moon-traveling astronauts ...

NASA's Artemis II mission concludes today as the Orion capsule splashes down after a record-breaking lunar far side flyby.

UFO expert Nick Pope, best known for his appearances on the History Channel’s “Ancient Aliens,” has died. He was 60 years old ...

Nick Pope, former U.K. Ministry of Defence official and star on History Channel’s Ancient Aliens, has died at age 60. Nick ...

A recent study has for the first time systematically identified multiple nitrogen-bearing organic species on the surfaces of lunar soil grains returned by China's Chang'e-5 and Chang'e-6 missions. The ...

Carl Sagan's work in astronomy is often associated with unlocking the grand mysteries of the universe and the search for ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

It doesn't deal much with the UFO/UAP question, Dick said — what he calls "direct terrestrial contact" in his matrix of ...

A groundbreaking discovery at the renowned Sanxingdui archaeological site in southwestern China has revealed an unusual metal object that defies known Bronze Age technology. Laboratory analysis has ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...