The curious minds at What If explore what would happen if we found alien life on Enceladus.

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...