Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

A different kind of technosignature Searching for radio signals assumes alien civilizations are broadcasting at the precise ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything like us? Would they communicate through sounds, signals, or something ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA/JPL-Caltech If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of ...

If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of space, their very first encounter with humanity might not be with a human. Rather, they ...