When a spaceship crash-lands on Earth, a sister searches for her brother amidst an unexpected alien threat. Sometime later there is a a ship-wide catastrophe, a containment breach which has all alarms ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The frenzy intensified after journalist Jon Stewart claimed the images were briefly posted online and then quickly removed.