Scattered between the orbits of Mars and Jupiter lies the main asteroid belt — a vast region filled with rocky remnants left over from the birth of the solar system. These objects, known as asteroids ...

The asteroid belt was a vast collection of rocks that was believed to be the remains of a planet that never formed. During the formation of the solar system 4.6 billion years ago, Jupiter's ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it's fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay's Universidad ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

Evidence of chemical alteration by liquid water has been found on the asteroid Donaldjohanson, which formed further from the sun before being shoved inwards.

Learn about the formation of the grains within many meteorites, emerging from collisions of planetary bodies in the early ...

An artist’s conception zeroes in on a main-belt asteroid called 2025 MN45, which makes a full rotation in less than two minutes. (Credit: NSF-DOE Vera C. Rubin Observatory / NOIRLab / SLAC / AURA / P.

A newly discovered asteroid is sticking close to our sun -- much closer than our own planet Earth. The asteroid, called 2021 PH27, completes an orbit around the sun every 113 days and comes within ...

Gold, platinum, iron and water are some of the world’s most valuable resources. On Earth, people dig deep underground, drill into mountains and search beneath o ...

But scientists are keen to explore the asteroid in detail for other reasons than its unusual orbit. A Chinese spacecraft is ...