Many people hold Pluto close in their hearts and refuse to abandon the assertion that it is a planet, although science ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

The dwarf planets of Eris and Makemake, situated in the Kuiper Belt beyond the orbit of Neptune, may have geothermal activity beneath their surfaces, according to two new papers in the journal Icarus.

There are five confirmed dwarf planets in the solar system: Ceres, Haumea, Eris, Makemake and the ex-planet Pluto.All of these planetary pretenders, apart from Ceres, are located in or around the ...

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

However, a new study suggests that two of the farthest flung celestial bodies—the dwarf planets Makemake and Eris—could be home to liquid oceans. This evidence comes from observations made by ...

The dwarf planets in question, Eris and Makemake, are both found in the Kuiper Belt past Neptune's orbit and are far from the Sun's warmth, similar to fellow dwarf planet Pluto. Two relatively ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary migrations that shaped the worlds we know today. While it may seem intuitive that ...

Distant starlight has given astronomers the best look yet at a distant icy sibling of Pluto, a dwarf planet called Makemake that appears to be missing its atmosphere, researchers say. Although ...

There are also five additional celestial bodies called dwarf planets, including Pluto, Ceres, Eris, Haumea and Makemake. Grad student discovers planet orbiting around nearby star, astronomers say ...