Pluto is the tiniest planet in our solar system with a diameter of roughly 2,377 kilometers, making it even smaller than our ...

At the far reaches of our Solar System lies Pluto, a mysterious world shrouded in shadows and icy terrain. NASA’s latest ...

If New Horizons does survive its passage through the Pluto system, a pre-selected sample of encounter data will begin arriving at Johns Hopkins University’s Applied Physics Laboratory in ...

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune ...

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 ...

Astronomers have detected new features in Pluto's high-altitude haze, revealing surprises. Pluto's haze is multi-layered and extends over 300 kilometers above its surface.

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

Mysteries of Pluto Pluto's reclassification as a dwarf planet in 2006 sparked debate. Pluto's surface composition, including nitrogen ice and tholins, is still not fully understood.

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...