When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

The BBC star opened up about what would happen if he discovered alien life ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

With Seth MacFarlane teasing a (hopeful) season four (someday), here are the must-watch episodes of his underrated sci-fi series.

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes are able to travel between planets on asteroids, meaning humans could be ...

Discover Coral Castle in Florida, a mysterious stone monument built by one man that still puzzles visitors with massive blocks, moving gates, and hidden secrets.

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

There’s certainly nothing living on the asteroid Bennu, an airless, 1,614-ft. rubble pile orbiting the sun about 40.2 million miles from Earth. But that doesn’t mean that Bennu hasn’t all at once ...