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.

Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was discovered. In the early 20th century, the businessman, astronomer, and ...

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 atmosphere, while at the same time giving methane and other organic ...

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, ...

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.

Upon the discovery of its existence in 1930, Pluto enjoyed decades of special status as one of the solar system's planets. Then, in the summer of 2006, Pluto was demoted.

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 ...

Researchers discovered the 12 potential massive objects around 60 AU from the sun while searching for potential new targets for NASA's New Horizons spacecraft — the probe that studied Pluto and ...

Why Pluto? Since the discovery of Neptune in 1846, Percival Lowell and other local astronomers theorized there could be a ninth planet, "X", which interfered with the orbit of Uranus.