Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

What does it take to detect a radio signal sent by extraterrestrial life to Earth? Two decades of work involving radio ...

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

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

A new SETI methodology focuses on detecting the "spillover" from directed interstellar communications, mirroring how we communicate with our own spacecraft, rather than relying on broad, speculative ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...