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.

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 ...

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 ...

On February 18, 1930, at the Lowell Observatory in Flagstaff, Clyde Tombaugh discovered Pluto. The search for a ninth planet had taken 25 years.

Pluto's previously known moon, Charon, was discovered in 1978, nearly half a century after Pluto's discovery in 1930. With diameters estimated to lie between 35 and 100 miles, ...

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 ...

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.

Since its discovery in 1930, Pluto's planetary fortunes have risen and fallen, but much mystery remains. A future space probe could shed new light on the "littlest planet." ...

The discovery proved controversial. The planet had been observed several times in the past; Lowell, it turned out, had imaged it, himself. It seems Pluto had gone unrecognized, in part, due to its ...

Discovered in 1930, Pluto has remained a source of mystery to scientists. Thanks to NASA’s New Horizons spacecraft, we now have the most detailed pictures of the dwarf planet ever seen.

In the Feb. 23 Nature, a team led by Hal Weaver of the Johns Hopkins University Applied Physics Laboratory describes its discovery of two new moons around Pluto – a finding that made the ninth ...