When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

He died in 1997 at age 90. Tombaugh's photos that led to the discovery of Planet X. Pluto never really fit in with the other planets in the solar system. Its orbit was out of plane with the other ...

Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious heart-shaped region has puzzled scientists.

Before New Horizons, the best images of Pluto revealed nothing more than a ... its moon Charon revealed more surprises about the dwarf planet and its orbiting moon. Click on the hand to see ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Unlike the eight recognized planets, Pluto shares its orbit with ... The New Horizons mission provided stunning images of Pluto’s surface, revealing glaciers, mountains, and potential subsurface ...