Pluto Revealed: Five New Science Papers Highlight Discoveries by New Horizons

High-resolution view of Pluto from New Horizons. The large smoother area of ice in Sputnik Planum is the western lobe of the “heart” feature. Image Credit: NASA/JHUAPL/SwRI

Pluto is a tiny world in the outer fringes of the Solar System; for many decades it was only a mere speck of light in even the […]

New Horizons Discovers Methane 'Snow' on Pluto's Mountain Peaks

Methane “snow” on mountain peaks in the Cthulhu region of Pluto. The enhanced color version of the inset image is on the left and the false color version is on the right. The image covers an area 280 miles (450 kilometers) long by 140 miles (225 kilometers) wide. Image Credit: NASA/JHUAPL/SwRI

As the data […]

The 'Floating Hills' of Pluto: Icebergs In a Frozen Nitrogen Sea

Icebergs on Pluto: The large blocks of water ice float in a “sea” of nitrogen ice and are thought to have broken off from the rugged and mountainous highlands. Image Credit: NASA/JHUAPL/SwRI

Pluto is a tiny world and incredibly distant from the Sun, so it was a pleasant surprise for scientists last summer when […]

It's Back! 'Mystery Island' in Titan Sea Makes Unexpected Reappearance

Three radar images, taken from April 2007 to August 2014, showing how the “mystery island” in Ligeia Mare has changed in appearance over time. Image Credit: NASA/JPL-Caltech/ASI/Cornell

The mystery of an unusual feature in one of Titan’s hydrocarbon seas, dubbed the “mystery island,” has taken an interesting turn. After apparently disappearing following its initial […]