Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Barnard’s Star has fascinated astronomers for decades. At just six light-years away, it is the second-closest single star to our own Sun. Now, two separate research teams have found solid evidence ...

An icy dwarf only ... to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and Styx, all names for ...

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ... history of our solar system. But almost all of these icy worlds are painfully small ...

Florida Tech's Caldon Whyte is two years into a lengthy universe exploration to earn his Ph.D. in space sciences. After ...

Pluto was reclassified from a planet to a dwarf planet by the International Astronomical Union because it did not meet all three criteria of their updated definition of a planet. According to the ...

A planet killer capable of ripping them to pieces has been discovered, say space scientists. Researchers believe they've found evidence that a white dwarf may have torn a Jupiter-sized planet apart.

Planets orbit the Sun in roughly circular paths, and moons orbit around planets. Asteroids and comets move in paths which are more oval in shape. The Sun’s gravity holds all of these objects ...