Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Though no direct evidence of life has been found, models suggest Ceres had hot water shooting into its underground oceans ...

In its youth, the dwarf planet Ceres may have brewed a chemical banquet beneath its icy crust.

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

Dwarf planet Makemake may not be as inactive as astronomers believed, as per recent readings by JWST Researchers have detected something very unique in Makemake, a dwarf planet beyond Neptune in the ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

A Southwest Research Institute-led team has reported the first detection of gas on the distant dwarf planet Makemake, using ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her colleagues opted for the name Persephone, after Pluto's wife and "queen of the ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA's Hubble Space Telescope could identify that ...