Scientists thought globular clusters of stars were too old to have life-producing planets, but some researchers say they should look again.
It has been the subject of popular children's books, the setting for blockbuster sci-fi movies, the center of folklore and legends, and the final frontier in the Cold War space race. Earthly beings have always dreamed about the moon, but it's largely remained a mystery for centuries – until now. Are you a moon master or a lunar loser? Test your moon mastery here.
El Niño episodes bring increased precipitation to the west coast of the Americas. How does the system work?
Researchers reveal a new mechanism to create hydrogen fuel that could power environmentally clean cars.
SpaceX made history last month by safely returning a rocket after blasting off into space, but that's just the beginning of Elon Musk's master space plan.
Researchers look to tooth enamel to answer questions about Gigantopithecus, a humongous, extinct ape.
The way scientists currently calculate a sun-like star's age may need some adjustments, according to new research.