LOS ANGELES — A NASA spacecraft has spied what appears to be an inactive volcano on the surface of Ceres, the largest object in the asteroid belt between Mars and Jupiter. The volcano is about half as ...

Sunday: Asteroids are always visible in the sky, and the largest asteroid — Ceres — is currently in the southwest, but a brighter asteroid is visible in the southeast. The asteroid Vesta is visible ...

Astronomers have long been intrigued by the makeup of the asteroid belt’s largest body. When it was first spotted in 1801, Ceres appeared dry and rocky, its surface marked by craters and dents. For ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For decades, scientists thought that Vesta was a protoplanet rather than an asteroid. NASA's Dawn ...

Ceres, the largest object in the asteroid belt between Mars and Jupiter, has long perplexed planetary scientists. Once considered a planet, then an asteroid, and now officially classified as a dwarf ...

On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between Mars and Jupiter. At the time, Ceres was considered to be a planet. But after ...