Scientists have proposed that advanced alien civilizations could build a Dyson sphere around a black hole instead of a star.

Just hours after an Immigration and Customs Enforcement officer shot and killed an unarmed US citizen in Minneapolis on ...

Border czar Tom Homan has warned noncriminal aliens that “if you're in the country illegally, you got a problem ... anyone in ...

Something appeared on the horizon: a feeling of dread, a lightness of breath, a rebounding ember from Phaethon’s chariot. The ...

"Star Trek" is social commentary as much as it is science fiction, bringing fans episodes that drive debate. These 10 classic ...