In an interview, former president Barack Obama stirred the pot with some statements about extraterrestrials. Here's what he said.

President Trump is holding onto a speech detailing extraterrestrial life and spaceships, according to his daughter-in-law ...

Pluto was once thought to be a frozen, inactive world. But spacecraft images revealed a surface far darker than scientists ...

Recent discussions have suggested that a particular theropod may have possessed unexpected cognitive abilities Some interpretations of its cranial structure have led to comparisons described as "smart ...