A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

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

Study pinpoints which rocky worlds could hang on to a life-supporting atmosphere ...

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 ...

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

John Sugar survives a brush with death, confronts the EZ4 gang, and faces a major twist in Sugar season 2, episode 3. Read our full recap.

Prosecutors say Rigoberto Ramon Miranda-Orozco helped organize the travel of undocumented immigrants from Guatemala through ...

Federal prosecutors say someone was found hidden inside a truck crossing from Canada into Western New York. The incident ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

A pardon doesn’t automatically save him from deportation. The U.S. Department of Homeland Security is blasting Gov. Tim Walz ...

Sixty-four people suffered through sweltering Texas heat in the back of a smuggling trailer, leaving less than a dozen ...

L.B. This image released by Black Bear shows Leo Woodall in a scene from “Tuner.” (Black Bear via AP) Christian Petzold, a ...