Asteroid 4 Vesta stands near a background star in the evening sky, creating a temporary artificial double star to enjoy.

See photos and images of Ceres, a dwarf planet and the largest asteroid in the solar system yet known. Ceres is round and may contain more fresh water than the entire Earth.

STARDATE 5/1/2014: Ceres is the solar system's largest asteroid — a big ball of rock and ice about 600 miles wide, orbiting the Sun between the orbits of Mars and Jupiter. But astronomers ...

In a recent episode of SETI Live, Communications Specialist Beth Johnson spoke with Ian Pamerleau, lead author of a new study ...

We might not currently have any technology that would make a space elevator viable on Earth. But that doesn't mean they ...

But first a bit of history: Ceres was the first asteroid to be discovered, by Giuseppe Piazzi on the first night of the 19th century, Jan. 1, 1801.

Snapshots of the asteroid 1 Ceres taken by the Hubble Space Telescope provide clues about the asteroid's interior make-up. The bright spot that appears in each image is a mystery. NASA / ESA ...

The arrival of NASA’s Dawn mission at the huge asteroid “1 Ceres” in early 2015 has turned out to have been well worth waiting for. This dwarf planet is the largest body in the asteroid belt ...

Observations of 1 Ceres, the largest known asteroid, have revealedthat the object may be a "mini planet," and may contain large amountsof pure water ice beneath its surface.

In the asteroid belt, an immense region of space between Mars and Jupiter, millions of rocky bodies serenely move around the sun in a timeless cosmic dance. Queen among the dancers is Ceres, the ...

Snapshots of the asteroid 1 Ceres taken by the Hubble Space Telescope provide clues about the asteroid's interior make-up. The bright spot that appears in each image is a mystery.

Observations of 1 Ceres, the largest known asteroid, have revealed that the object may be a “mini planet,” and may contain large amounts of pure water ice beneath its surface. The observations ...