Hiʻiaka is the larger, outer moon of the trans-Neptunian dwarf planet Haumea. It is named after one of the daughters of Haumea, Hiʻiaka, the patron goddess of the Big Island of Hawaii. It orbits once ...

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1.

A large planet has been spotted orbiting a dwarf star that is just 3 million years old, offering possible clues to how the ...

Astronomers have spotted orbiting around a young star a newborn planet that took only 3 million years to form - quite swift ...

How many planets are there in our solar system? Nine? Eight? Twelve? Hundreds? I know many will insist there are nine, with Pluto as the ninth planet, but ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

(An eccentricity of 0 is a circle, while the dwarf planet Pluto has a relatively high orbital eccentricity of 0.244. The maximum eccentricity possible is 1, which forms not a closed orbit but a ...

In a study published Wednesday in the journal Nature, astronomers describe the youngest transiting planet ever found. It’s ...

Over many millions of years, NASA suspects the young world could mature into either of the most common planets found in our ...

IRAS 04125+2902 b – is really just a baby: only 3 million years old. And because such infant worlds are usually hidden inside ...

Hubble captures the aftermath of the Large Magellanic Cloud’s dramatic encounter with the Milky Way, revealing the loss of ...