Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

IT is easy to feel like we know nothing about our universe, and unexplained stellar objects are the most puzzling feature of ...

Jupiter" exoplanet called 2M1207b, precisely 20 years ago this week. This was the first direct visual confirmation of a world ...

One of the rogue planets is a brown dwarf—an object that forms like a star ... the same size mirror as the Hubble Space Telescope, at 2.4 meters. However, its wide-angle lens will give it ...

The dwarf planet Ceres, about 590 miles (950 km ... measured in the solar system — minus 371.56 degrees F (minus 224.2 degrees C). The average temperature of Uranus is minus 320 degrees ...

The 11 objects discovered could be a new class of objects orbiting in a “ring” in the distant reaches of the solar system.

Brown, who is among the co-discoverers of Sedna, told the publication, “Some of our earlier hypotheses, before we realized ...

Astronomers have uncovered a surprising group of frozen bodies orbiting the Sun, far beyond the Kuiper Belt. Using the Subaru ...

and definitely falls within the category of planet. Its mass is between 2 and 8 times Jupiter’s. DH Taurib is similar, but ...

The largest object is the asteroid belt is the dwarf planet Ceres, which is 950km in ... that the closest part of the Oort Cloud might be 2, 000 times further from the Sun than Earth.

Hammel served on the Imaging Science Team for NASA's Voyager 2, the first spacecraft to closely ... Brown discovered the dwarf planet Eris, a breakthrough that helped prompt a new definition ...

The Dwarf 3 is slightly larger than the Dwarf 2, but its packing a bigger battery ... star clusters, or planets through an app. The $500 Dwarf III is taking what already worked with the Dwarf ...