For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

The makers of the blockbusting sci-fi thriller reveal how they made a hit, why Kevin Spacey was almost involved and what went wrong with the sequel ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

When Gene Roddenberry created "Star Trek" in the 1960s, he instituted several rules for starship design that are still ...

True Anomaly and Rocket Lab are performing Top Gun-style satellite fly-bys for the U.S. military.

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...