Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds ...

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

The number 40,000 might not sound particularly dramatic, but it represents humanity's growing catalog of near-Earth asteroids ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Astronomers have discovered our solar system occupies a rare "safety zone" in the Milky Way, perfectly positioned between the ...

Atoms found deep inside our planet argue that parts of “proto-Earth,” the early version of our planet, still survive inside ...

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

There are several frozen moons in our solar system, orbiting the gas giants. Some of them, despite having temperatures that would make Antarctica feel tropical, have liquid water under the surface.

The interstellar comet 3I/ATLAS challenges physics with a missing dust tail, a forward anti-tail, and strange composition.

A mysterious prophet who hasn't been seen in decades left a dire warning for humanity of a coming cataclysm sent by God.

The University of Wyoming Harry C. Vaughan Planetarium will host a Christmas-themed program, “Star of the Magi,” twice during ...

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.