Pluto's secrets are being unraveled! Astronomers have found convincing evidence of a massive ocean of liquid water hidden beneath the dwarf planet's icy surface. This exciting discovery, published ...

Using data collected by the spacecraft’s LEISA spectral imager, researchers are uncovering the true nature of Nix’s surface coarse, pure water ice that behaves like rock due to the extreme cold of ...

Pluto is too far away from Earth to be seen with the naked eye. If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

Pluto will mark a birthday of sorts on March 23, 2178. No one is likely to be there to celebrate it, of course. Even if ...

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt ... One assumed ...

With the exception of Pluto, planets in our solar system are classified as either terrestrial (Earth-like) or Jovian (Jupiter-like) planets. Terrestrial planets include Mercury, Venus, Earth, and ...