Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

Earth may have cooled during a close encounter with dense star clouds. Interstellar dust from the Orion region might have shaped our ancient climate.

The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in ...

NASA's SPHEREx telescope launches to map the entire sky, studying galaxy formation, cosmic expansion, and the origins of life.