Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Some scientists think they discovered a new dwarf planet at the edge of the solar system, so far away that it takes around 25,000 years to complete one orbit around the sun. Astrophysicist Dr. Paul ...

Dwarf planets may be small, but they offer big clues about the history and evolution of our solar system, continuing to intrigue scientists with each discovery. Photo Credit: NASA 5 things ...

A detailed exoplanet survey published in 2013 estimated that 41 percent of M-dwarf stars have a planet orbiting in their “Goldilocks” zone, the distance at which the planet has the right ...

The definition was seen as a demotion of Pluto from the category of planet to the category of dwarf planet, but it also meant that celestial bodies considered to be minor suddenly became popular.

The remaining two-thirds of the planets around these ubiquitous small stars are likely roasted by gravitational tides, sterilizing them. Red dwarf stars, also called M dwarf or M-type star, the most ...

The European Space Agency’s CHEOPS telescope usually searches for planets outside our solar system, but recently it made a discovery closer to home: a large ring around the dwarf planet Quaoar ...

Many bodies in the Solar System have rings—gas giants, dwarf planets, even an asteroid. These examples have allowed us to get a good picture of their physics, leading to models for how rings ...

The dwarf planet Quaoar, which sits beyond Neptune in our solar system, appears to have a ring of debris around it that is much further out than was thought possible. “We have observed a ring th ...

The research team has confirmed that they have found lonsdaleite, a rare hexagonal form of diamond in ureilite meteorites from the mantle of the dwarf planet ... shape of the texture of the ...

A hundred? More? In 2006, and after much debate, the International Astronomical Union came up with a new definition for a planet. And for the first time, the term “dwarf planet” was used.