Before zombies shambled about, ghoulishly feasting on the flesh of those too slow to flee, aliens from outer space ruled ...

Fossilized whale skulls from Belgium reveal embedded shark teeth. These fossils are direct evidence of ancient interactions. Researchers found signs of sharks biting whales in the Early Pliocene North ...

What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an ...

How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

Based on hard science fiction, a genre that prioritizes scientific accuracy, the blockbuster gets a lot right but misses a ...