Traditional theories suggest that Pluto's formation process is similar to that of other celestial bodies in the Kuiper Belt, ...

Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.

Here’s how it works. Pluto's mysterious blue haze is the primary driver of the dwarf planet's climate. (Image credit: NASA/JHUAPL/SwRI) Astronomers using the James Webb Space Telescope (JWST) have ...

Pluto reaches opposition at 3 A.M. EDT, presenting an optimal viewing opportunity due to its apparent brightness and the absence of moonlight. Visual observation requires a telescope with an aperture ...

A Southwest Research Institute-led team has reported the first detection of gas on the distant dwarf planet Makemake, using ...

When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006, it surprised a lot of people, including some scientists. Even many years later, some astronomers ...

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...