While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details.

As more of the solar system has been explored and imaged, all kinds of geographical features have been mapped on many of our ...

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

Most asteroids orbit within the main asteroid belt between the orbits of Mars and Jupiter. But some follow paths that ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

This discovery could reshape our understanding of asteroid belt objects and early planet formation in the solar system. Astronauts to walk out of Space Station, install new solar panel Did it rain and ...

NASA's Lucy spacecraft has captured its first high-resolution images of an asteroid, revealing a space rock with a surprising shape. Asteroid Donaldjohanson formed when two smaller ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid and eventually concluded it was more like a planet with a crust, mantle ...