Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

The rainy season reveals Cambodia's deep cultural link to water and the genius of its historical hydro-engineers ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

A popular UFO-reporting app has recorded thousands of sightings of Unidentified Submersible Objects (USOs) near US waterways ...

In particular, one scientist has claimed it could even be an 'alien mothership', with a few key differences which he claims ...