Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

Particles from Earth’s atmosphere have been carried into space by solar wind and landing on the moon for billions of years, mixing into the lunar soil, according to a new study.

"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

The story of a submersible vanishing beneath Antarctic ice after glimpsing seemingly impossible structures sounds like ...

Erich von Däniken, author who spawned alien archaeology theory, dies at 90 - The Swiss author whose bestselling books about ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

New scientific findings revive debate over possible alien life on the Moon, examining unexplained data, past missions, and ...