Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything ...

On January 2, 2019 at 9:26pm EST, China's Chang’E-4 probe did what no human or machine has ever done before, and landed on ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. While the scientific community has overwhelmingly concluded it's a comet, researchers wanted to find out for sure whether 3I/ATLAS ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Avi Loeb's role in Donald Trump's new UAP council has reignited debate over alien probes, interstellar objects and what the US government really knows.