Staff Sergeant 81 faces a deadly alien machine during a brutal Ranger training mission as Earth comes under attack from ...

"Stargate SG-1" became a sci-fi fan favorite, resulting in one of the longest-running genre series ever. We've picked five of ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

To many modern movie fans, James Cameron is known as the guy who directed all three Avatar movies, which have collectively earned over $6 billion at the global box office. However, Cameron is also ...