The Drake equation is one of astronomy’s most famous attempts to answer the question: Are we alone? It asks not just about any life, but the top shelf stuff: intelligent life with the ability to ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far ...

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

The Drake Equation looks like a simple way to estimate alien civilizations — but the implications are brutal. If the number is high, it suggests the universe is crowded, and humanity may not be safe ...

Some of our SETI Institute team members at Pixar Animation Studios. A new documentary film, recently released, celebrates first contact with aliens and highlights the importance of SETI research in ...

For 50 years a devoted group of scientists has been listening for signals from intelligent life. Despite all the dead air, the true believers say the odds of success are now better than ever. As the ...