Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

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

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

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

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

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

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...