How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

China's Tianwen-2 probe continues on its journey to rendezvous with a near-Earth asteroid (NEA) before heading to the main ...

The dwarf planet Ceres has a diameter of almost 1,000 kilometers and is located in the asteroid belt. In the television series "The Expanse," Ceres gained new fame as the main base of the so ...

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

The geologic map of the asteroid belt. The x-axis shows how far out from the sun the bodies are orbiting, while the y-axis plots the tilt of the orbits relative to those of the planets.

Asteroids, often overlooked, hold vital clues about our solar system's formation and potential future. Missions like ...

Astronomers have discovered a giant asteroid belt circling the bright star Vega, a find that may ultimately reveal an entire solar system of planets, scientists say. IE 11 is not supported.

Earth lives in a shooting gallery, with small and large rocky bodies in abundance in our solar system. Are we in danger of ...

A hidden ocean on dwarf planet Ceres may have churned up some of the ingredients for life relatively recently.. The largest object in our Solar System’s asteroid belt, dwarf planet Ceres, hides ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...