According to NASA, asteroids are inactive bodies made of all the rocky, dusty and metallic materials left behind from the ...

Asteroid 4 Vesta stands near a background star in the evening sky, creating a temporary artificial double star to enjoy.

In a recent episode of SETI Live, Communications Specialist Beth Johnson spoke with Ian Pamerleau, lead author of a new study ...

There are currently no known asteroids on an impact course with the planet. Still, scientists are keeping a watchful eye on nearly 40,000 large objects out there with the hope of avoiding the fate of ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

The curious minds at What If explain how being trapped between two asteroid belts could pose an existential threat to Earth.

An asteroid goes missing, and it’s not what you’d expect… What secrets are drifting in the belt?

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.

Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...

The main belt asteroid Donaldjohanson is now in sight as the Discovery Program mission prepares for a flyby of the object in April.

There are so many asteroids orbiting between Mars and Jupiter — millions of them — that this region is known as the main asteroid belt. They sometimes get pushed out of the belt and can end up ...

An artist's illustration shows the James Webb Space Telescope peering out into the solar system toward the asteroid belt. Ella Maru and Julien de Wit Every few years, an asteroid that’s about ...