Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and dramatic. But what if th.

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

Scientists used the world's largest single-dish radio telescope to scan comet 3I/ATLAS for signs of extraterrestrial life, but found no artificial radio emissions.