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 ...

“I believe extraterrestrial intelligence (in AI form) could be concealed under the lunar surface," Alex Ellery told Newsweek.

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 ...