As the moon reaches its new phase on Tuesday (March 21), the dwarf planet Ceres will lie opposite the sun in Earth's sky, in an arrangement astronomers call "opposition." Ceres will be visible for ...

This weekend, you can watch live as the first asteroid ever discovered passes across one of the night sky's most beautiful spiral galaxies. This weekend, Ceres will appear to "meet" the distant spiral ...

LOS ANGELES (AP) — The largest object in the asteroid belt just got more attractive: Scientists have confirmed signs of water on the dwarf planet Ceres, one of the few bodies in the solar system to ...

Looking for a sky event this week? Check out our full Sky This Week column. December 23: Comet Schaumasse closes in on the ...

Hubble Space Telescope observations of the dwarf planet Ceres have discovered the first evidence of sulfur, sulfur dioxide and graphitized carbon found on an asteroid. The sulfur species are likely ...

Ceres is the largest body in the asteroid belt between Mars and Jupiter and the only such object classed as a dwarf planet. The spacecraft has been in orbit around Ceres for more than a year and has ...

On Sunday night, March 26, Ceres smiles for the camera right in front of a galaxy 55 million light-years away. On Sunday night, March 26, the dwarf planet Ceres will pass directly in front of the ...

This month binocular and small telescope observers of Colorado skies will have a unique opportunity to observe a peripheral player in the ongoing controversy over the status of the outer solar system ...

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. Ceres crosses the ...

Watch live online as the dwarf planet Ceres swoops in front of the 'grand design' spiral galaxy Messier 100 this weekend. When you purchase through links on our site, we may earn an affiliate ...

LOS ANGELES - The largest object in the asteroid belt just got more attractive: Scientists have confirmed signs of water on the dwarf planet Ceres, one of the few bodies in the solar system to hold ...