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

The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to recognize biology may no longer be enough. When you purchase through links on our ...