When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions. But some scientists warn that the most serious danger may be something far ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar fingerprints of biology, researchers are training algorithms to spot the deeper ...

Add Yahoo as a preferred source to see more of our stories on Google. The first episode opens with a familiar scenario. We witness a research ship in deep space carrying unknown alien organisms ...

The TV series Alien:Earth has introduced a number of new creatures to the much loved, albeit terrifying, Alien franchise. But how realistic are the new aliens? That's a question that we—a trio of ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

The first episode opens with a familiar scenario. We witness a research ship in deep space carrying unknown alien organisms suddenly having an outbreak, with the aliens killing most of the crew. But ...