The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Holleran Center Summer Civic Leader Joy Avila ’28 entertains children in the Drop-In Learning Center after-school program ...

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Discovered in 1930 after a nearly year-long telescopic search by a young observatory assistant named Clyde Tombaugh, Pluto is so faint and so distant—its 248-year orbit averages 3.7 billion ...

Today, the dwarf planet Pluto orbits the sun from the edge of our solar system and its surface temperature is an inhospitable negative 378 to negative 396 degrees Fahrenheit. But a new study ...

The discovery of the haze was predicted back in 2017 by planetary scientist Xi Zhang of the University of California, Santa Cruz, to explain why Pluto 's thin atmosphere is so leaky.

Pluto’s place in popular culture was cemented when it became the namesake of Mickey Mouse’s canine companion. Plutonium, a radioactive element discovered in 1940, was also named for Pluto.

Chief among the attractions are the 24-inch Clark refractor used for so many famous observations in the past, and the 13-inch Pluto Discovery Telescope, or Pluto Camera as it has been known.

It all started in 2015, when NASA's New Horizons spacecraft circled Pluto and revealed that around the planet there was a bluish, stratified haze that extended up to 300 km above the Earth's surface.