When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

NASA and Breakthrough Listen issue a final verdict on the interstellar comet 3I/ATLAS. Is it an alien spaceship? Read the ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...

This week has been insane - from alien theories to NASA announcing the discovery of microbial life on Mars, it feels like ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

Recent scans of interstellar visitor 3I/ATLAS by the Green Bank Telescope show no radio signals, yet astronomers argue it is ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

The goal should be a new golden rule linking the search for life elsewhere to the spread of life beyond the bounds of Earth.

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.

It can be hard to understand Elon Musk’s reality — especially as he appears to be on track to become the world’s first ...