In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

The Black Knight satellite myth claims that a mysterious object—possibly of alien origin—has been orbiting Earth for 13,000 years. This theory combines a mix of unrelated events, including Nikola ...

Micrometeorites are thought to shower down on planets throughout the universe, so the discovery that they help protocells ...