We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

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

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

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 ...

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

Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While ...

Real scientific efforts at universal communication have also involved mathematics and numbers. The covers of the Golden ...