Dwarf Planet

NASA's New Horizon Spots Weird 'Halo' Craters On Pluto

There's something weird on Pluto that's been bugging astronomers. NASA' s New Horizons spacecraft recently revealed stunning images of Pluto with some perplexing "halos."

New Horizons: Changing Weather and Stunning Landscapes on Pluto [PHOTOS]

If you were standing on the icy surface of Pluto, you'd probably find yourself breathless, and not because you forgot your space suit. NASA's recently released new photos from their intrepid New Horizons spacecraft, and they show that not only is Pluto breathtaking, but it also is a surprisingly active world.

If Pluto Sheds Nitrogen Daily, Where Does It Come From?

With nitrogen ice moving around Pluto, and nitrogen gas flying into the small planet's atmosphere daily, researchers have new learnings on what supplies all the nitrogen.

'Houston, We have Geology': New Horizons Peers at Pluto's 'Whale-like' Surface

The intrepid spacecraft New Horizons is a mere one-million miles away from Pluto, and as it draws ever closer, it's getting a never-before-seen view of the mysterious dwarf planet's rough and rugged surface.

What Are Ceres' Bright Spots? Closest Yet, and Experts Still Can't Say

New images from NASA's Dawn spacecraft have brought humanity a mere 2,700 miles above the surface of the protoplanet known as Ceres. Now, for the first time ever, experts are able to see the nooks and crannies of this alien world in stunning detail; and even still, two "bright spots" on its surface remain a mystery.

See Pluto's First Color Snapshot as New Horizons Closes in

The first color snapshot ever taken of Pluto (below) has just come in from NASA's New Horizons spacecraft - a historic milestone for the probe as it continues to move in on the dwarf planet. This unique imagery also offers new insight on distant Pluto and its largest moon, Charon.

New Images Show Ceres is a Colorful Alien World

Normally when we see pictures from space, they are in black and white, causing many to think that any world that isn't a planet must have dusty and colorless landscapes in the otherwise brilliant heavens. Now, however, new images from NASA's Dawn spacecraft challenge that notion, showing us that the massive asteroid known as Ceres is far more colorful than initial black-and-white images suggest.

Dawn Arrives: NASA Spacecraft Orbits Ceres

NASA's Dawn probe arrived at the massive asteroid known as Ceres last Friday morning (Mar 6), making history as the first manmade spacecraft to achieve orbit around what astronomers call a "planetoid," or dwarf planet.