Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing ...

If an alien civilization has technology similar to ours, could it detect life on Earth? Answering this will help our own ...

Scientific groups like SETI have sketched out plans for first contact protocols, but both scientists and governments need to ...

In a theoretical study, researchers explored how a twin Earth with human-like life and technology might detect our ...

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...

As civilizations advance, they may need to migrate across the galaxy, and some researchers speculate they could use their own stars as massive engines. New research explores the possibility of a ...

The results show that the most detectable signals from Earth are radio waves, particularly from planetary radar emissions, ...

With 200 billion trillion (ish) stars in the universe and 13.7 billion years that have elapsed since it all began, you might be wondering where all the alien civilizations are at. This is the ...

A new study suggests intelligence may be a natural outcome of planetary evolution, challenging old theories and raising the ...

Our universe does host life, but it’s not the most optimal universe for life. Published in 1962 by American astronomer Frank ...