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 ...

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 ...

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 ...

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 ...

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

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 ...