The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

The big-idea explorers at Aperture dive into the terrifying concept of the Great Filter to explain the chilling reality of ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

Spouses of U.S. citizens have traditionally had a special place in immigration law. That's no longer the case, according to ...