A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff. Cold, dark and distant, it was named after the Roman god of the underworld.

The James Webb Space Telescope (JWST), operated by NASA, has uncovered intriguing new details about Charon—Pluto’s largest ...

FLAGSTAFF, Az. – Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating ...

The Discovery of Pluto: ... They alerted other astronomers, asking them to confirm Tombaugh’s discovery. They did, and the discovery of Planet X was announced on March 13, 1930.

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

Clyde Tombaugh discovered Pluto on Feb. 18, 1930, at Lowell Observatory in Flagstaff. Percival Lowell, the observatory’s founder, had predicted the existence of a ninth planet, ...

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

Pluto's discovery was widely celebrated, especially in the U.S. After all, it was the first planet discovered in the new world, and America needed the win in 1930.

An original list of potential names for the planet Clyde Tombaugh discovered in 1930 is on display at the Lowell Observatory. Pluto was a name suggested in a letter to Tombaugh by Venetia Burney ...

New Horizons discovered that Pluto is home to the largest glacier in the solar system, one measuring more than 386,000 square miles, or larger than Texas and Oklahoma combined.