New Horizons Sends Back New Photos of Pluto on Clyde Tombaugh's Birthday

Two new images of Pluto and its largest moon Charon, taken on Jan. 25 and Jan. 27, 2015 by the New Horizons spacecraft. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

As the New Horizons spacecraft continues speeding toward its rendezvous with Pluto this summer, it has just sent back new photos […]

Water on Vesta? Gullies Suggest Wet Debris Flows in the Past, Study Finds

Image of curved gullies and fan-shaped deposits in Cornelia crater on Vesta. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

The Dawn spacecraft is now very close to the dwarf planet Ceres, but there are some interesting new findings from its previous visit to the asteroid Vesta. Curved gullies on its surface suggest that small amounts of water may […]

New Study Suggests Europa Is Far Less Geophysically Active Than Previously Thought

An artist’s impression of Jupiter and its moon Europa, based on actual visible light images. Last year, a team of astronomers using the Hubble Space Telescope, had reported the detection of signs of water vapour being vented off Europa’s south pole. A new study comes to challenge this interpretation, by presenting evidence that Europa’s […]

Coloring the Ice: Scientist Compiles First-Ever Global Color Maps of Saturn's Icy Moons From Cassini Data

A high-resolution color global map of Saturn’s moon Mimas, based on imaging data from NASA’s Cassini spacecraft. A set of new global maps of Saturn’s largest icy moons reveal the latters’ landscapes in unprecedented detail. Image Credit: NASA/JPL-Caltech/SSI/LPI

The first 50 years of planetary exploration have seen the successful completion of humanity’s epic, first […]

New 'Clipper' Mission Proposed to Study Europa's Ocean

Jupiter’s moon Europa, an ice-covered waterworld. Could life exist there?Photo Credit: NASA / JPL / Ted Stryk.

Jupiter’s moon Europa is often referred to as a “waterworld,” and for good reason: a global ocean almost definitely exists below its outer icy crust, making it a primary focus of interest in the search for life […]