The largest object in the asteroid belt between the orbits of Mars and Jupiter is Ceres. It was the first asteroid discovered in 1801 and was originally deemed a planet.

Since the first sighting of the first-discovered and largest asteroid in our solar system was made in 1801 by Giuseppe Piazzi, astronomers and planetary scientists have pondered the make-up of ...

The largest known asteroid could contain more fresh water thanEarth and looks like our planet in other ways, according to a new study thatfurther blurs the line between planets and large space ...

Ceres, the largest asteroid in the solar system, seems to have liquid water seeping onto its surface, according to a new paper in Nature Astronomy.Data from NASA’s Dawn orbiter, the study ...

Ceres was the first asteroid discovered, and is roughly 605 miles (975 kilometers) wide, or as big across as Texas. This makes it the largest asteroid in the asteroid belt between Mars and Jupiter ...

Over the next few weeks, Ceres, the first asteroid discovered, passes in front of the bright Hyades star cluster, making it easy to find in a small telescope or pair of binoculars.

Asteroids might look dry and barren, but the Solar System’s biggest asteroid — Ceres — is chock full of water, NASA’s Dawn spacecraft has found. “It’s just oozing,” says Thomas ...

Ceres' location in the asteroid belt is intriguing because the dwarf planet is so much bigger and rounder than its companions. Even the 330-mile-wide (530 km) Vesta is irregularly shaped.

Ceres' location in the asteroid belt is intriguing because the dwarf planet is so much bigger and rounder than its companions. Even the 330-mile-wide (530 km) Vesta is irregularly shaped.

Scientists analyzed images of Ceres, a rock 588 miles wide (Montana is 630 miles wide) and the largest asteroid in the asteroid belt, taken by NASA’s Dawn spacecraft.

Ceres’s dampness stands in stark contrast to Vesta, a much drier asteroid visited by Dawn in 2011–12. On average, Ceres is more than 100 times richer in hydrogen than Vesta, Prettyman says.