New computer simulations show how a now-frozen ocean of water mixed with dirt and rock could explain geological features on ...

Pluto is the most famous dwarf planet, due in part to its very public demotion from ninth planet of the solar system two ...

As much as over 90 percent of the dwarf planet's crust could be water ice, giving some insight, the researchers believe, into ...

When the vote passed, Pluto was no longer considered a planet and instead became the most famous dwarf planet in the solar ...

A hidden ocean on dwarf planet Ceres may have churned up some of the ingredients for life relatively recently.

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star.

The discovery of an Earth-sized planet orbiting a white dwarf shows a possible future for Earth billions of years from now.

The discovery of an Earth-like planet 4,000 light years away in the Milky Way galaxy provides a preview of one possible fate ...

Analysis finds that the mini-world Ceres hosts a frozen ocean that is progressively filled with impurities farther from the ...

For decades, astronomers have seen the "before" and "after" of this process — when a planet is orbiting very close to its ...

A color-enhanced view of Ceres, the nearest dwarf planet to Earth, high­lights its Oc­ca­tor crater. Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA Pluto is the most famous dwarf planet ...

Pluto is the most famous dwarf planet, due in part to its very public demotion from ninth planet of the solar system two decades ago. But a relatively obscure dwarf planet in the main asteroid ...