In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Ridley Scott's inimitable 1979 sci-fi thriller, Alien, expertly ratchets up the tension by not having the titular alien show up on screen until roughly an hour into the film. Following in Scott's ...

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 ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

Could these be signs of artificial 3I-ntelligence? With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not. NASA has staunchly maintained ...