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

Ever gazed at the night sky and wondered if we're truly alone, or if cosmic travelers zip through our solar neighborhood carrying secrets from distant stars? Recently, there was a lot of buzz around ...

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 ...

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

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 ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero conditions, while Nasa dismisses claims it is an alien probe.