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 ...

Pluto's surface, fitting for a world whose surface shivers at a cryogenic -364 F (-220 C), is frozen solid. But beneath that nitrogen ice may lie a subsurface ocean of liquid water. A recent study ...

But instead of surface water being evaporated by the Sun and falling as rain, Pluto experiences a daily nitrogen cycle. Nitrogen is heated and cooled as Pluto rotates. A New Horizons image of ...

White clouds of water vapor hide much of Earth's surface ... they have not yet measured the properties of their atmospheres. Pluto, the most remote planet in our solar system, might be little ...

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 ...