Pluto news, features and articles

Considering all the mysteries that remain, Pluto's newfound moon almost definitely won't be the last of its surprises.

A fifth moon has been spotted orbiting the dwarf planet Pluto. What will this

The Hubble Space Telescope has found another moon orbiting Pluto, bringing its total to five moons.

A looming shortage of the radioactive isotope worries many planetary scientists

NASA's Hubble Space Telescope made the find.

Hidden moons around Pluto could produce unforeseen hazards that could destroy NASA's New Horizons spacecraft.

With a worldwide shortage of plutonium-238, future planetary science missions are in jeopardy.

The icy dwarf planet Eris is nearly exactly the same size as Pluto.

Everything we know about Pluto can be scrawled on a few 3x5-inch index cards, so mysteries abound about the dwarf planet.

NASA's New Horizons mission will transform our understanding of Pluto.