Dwarf Planet

Latest in Dwarf Planet

The asteroid Hygiea is actually our solar system's smallest dwarf planet, astronomers determine using Very Large Telescope data.

Scientists Detect the Smallest Dwarf Planet in Our Solar System

By Kristin Houser

A new study found that liquid-water subsurface oceans on Pluto are kept from freezing over thanks to an insulating layer of gas hydrates.

Scientists: Pluto May be Hiding Alien Life in Buried Oceans

By Victor Tangermann

Astronomers Just Found a Dwarf Planet Three Times As Far Away As Pluto

Astronomers Just Found a Dwarf Planet Three Times As Far Away As Pluto

By Victor Tangermann

deedee astronomy planet 9

Astronomers Found an Enormous Object Orbiting at the Edge of Our Solar System

A World of Water: New Revelations About Ceres

Science & Energy

A World of Water: New Revelations About Ceres

NASA Has Discovered A Massive Ice Volcano on Ceres

NASA Has Discovered A Massive Ice Volcano on Ceres

Astronomers Discover a New Dwarf Planet in Our Solar System

Astronomers Discover a New Dwarf Planet in Our Solar System

By Arra Dianne Hifarva

Hubble Just Discovered A New Moon Hiding In Our Solar System

Hubble Just Discovered A New Moon Hiding In Our Solar System

Science Explained: What Causes the Bright Spots on Ceres?

Science Explained: What Causes the Bright Spots on Ceres?

Most Distant Object in the Solar System Discovered

Most Distant Object in the Solar System Discovered

By Joseph Libunao

How Fast is New Horizons Moving? This Gif Will Show You.

How Fast is New Horizons Moving? This Gif Will Show You.

By Jolene Creighton