Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

Pluto was identified in 1930, but by 1994, it was still little more than a blurry pixelated smudge on astronomers’ screens. Today, we marvel at its icy plains, towering mountains, and stunningly ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

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

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists. The team is the first to successfully reproduce the ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

Pluto Stopped Being A Planet 17 Years Ago Today. Why? It made some people very angry, and for others, it still hurts.

The first close-approach images from New Horizons show that both Pluto and its largest moon, Charon, have far younger and more active surfaces than scientists expected.

The new findings point to evidence of dunes of frozen methane on Pluto. The news of interest since it indicates that the distant dwarf planet has a far ...

Weather Mythology, science combine in place names on Pluto Up until 2015, there weren't any rules about naming surface features on Pluto because, until recently, none had been clearly seen.

Astronomers are cosily familiar with stars quadrillions of miles from the earth, and with galaxies much more distant. But Pluto, a member of the sun's own planetary family, and only 3½ ...