Six planets will soon be visible in the night sky this weekend. Here's when and how to watch the "planetary parade." (AP ...

Dan Simmons, the Hugo Award-winning writer of "Hyperion" and many more novels and short-story collections, has died at 77.

A baffling triangular formation deep in the Nevada desert is igniting theories that it could be the handiwork of a forgotten ...

Critics dismiss HAL, but what's the real story behind the Tejas jet & the advanced Uttam AESA radar? Discover why HAL is ...