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

Pluto TV will release a spine-tingling Summer of Horror, featuring a lineup of cult classic and niche horror content— all ...

NASA’s New Horizons mission has taken humanity closer than ever to understanding the mysterious dwarf planet, Pluto. In 2015, ...

In 2006, the International Astronomical Union demoted Pluto to one of dozens of dwarf planets. After its discovery in 1930, Pluto was declared the ninth planet in our solar system and quickly ...

NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show that opened to ...

Based on the newfound object's trajectory, the scientists estimate its last close pass to the sun was in 1930, the same year Pluto was discovered. It's now twice as far away and rocketing off even ...

announced the discovery on May 21. At roughly 435 miles wide, 2017 OF201 could qualify as a dwarf planet, the same designation Pluto has had since its demotion from ninth planet in 2006.

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

The diameter of Pluto, meanwhile, is 2,377 km. Further observations, potentially using radio telescopes, are needed to determine the object's exact size. Cheng discovered the object as part of an ...

The new object is one of the most distant visible objects in our solar system. Astronomers have indeed discovered a potential new dwarf planet in the outer reaches of our solar system, far beyond ...