Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

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

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

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

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually ...

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

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

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.

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 ...

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.