If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major ...

Extraterrestrial life could betray itself not in the molecules themselves, but in their arrangement. A recent study shows ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of these is whether Earth is the only place that harbors life. In the last 30 ...

A new method to recognise the chemical properties of living things could help us detect alien life even if it functions differently from life on Earth. When searching for alien life, scientists ...