SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

Avi Loeb warns 3I/ATLAS's symmetrical jets defy comet norms, hinting at possible tech. Hubble data and expert debate fuel the ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Alien-hunters are focusing their telescopes on 'pulsar' stars to time their twinkles, giving them a new tool to sift through ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Astronomers at South Africa's MeerKAT radio telescope have detected the first radio waves coming from the interstellar comet 3I/ATLAS. But while this sounds suspiciously like alien activity, it is ...

Many video games are full of alien horrors, but these are the best games that let players turn the tables and become the terror from outer space. When you purchase ...

From mind-bending anthologies and space epics to dystopian thrillers, here are 2025’s most essential sci-fi shows and where to watch them online.