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 ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

The lunar south pole looks chaotic from orbit. Craters heaped upon craters, ancient basins, scarps and slopes tumbling in ...

NASA’s Dragonfly will explore the air, land and seas of Titan, Saturn’s most mysterious moon NASA plans to launch a wildly ambitious nuclear-powered octocopter to Saturn’s largest moon, Titan, in 2028 ...

For the first time, scientists have measured the instantaneous mind-blowing power of jets blasting from a black hole. NASA ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...

The awe-inspiring Spodnic UFO at Melin Mabes, a four-acre glamping site, will be featured on an upcoming episode of World's ...

Blockbusters like Gravity, pensive gems like Ad Astra, and crowd-pleasers like Project Hail Mary are among the best space ...

Is the Artemis II mission worth it? Your answers ranged from serious skepticism of the costly program to excitement over our ...

Have they finally solved the ancient Egyptians’ pyramid scheme? Aliens might not have built the pyramids — but the ancient ...

Hansjürgen Köhler has been a volunteer UFO hunter for more than 50 years. He sees his work as scientific investigation, but ...