Sampling an Alien Ocean: Cassini Prepares for Deep Dive Through Enceladus' Geysers on Wednesday

Artist’s conception of Cassini making a close flyby of Enceladus and its water vapor plumes. Image Credit: NASA/JPL

This coming Wednesday, Oct. 28, 2015, the Cassini spacecraft will make a historic close flyby (dubbed “E21”) of Saturn’s tiny icy moon Enceladus, not only passing very close to the surface, but also making the deepest […]

Enceladus' Water Geysers May Be 'Curtain Eruptions' According to New Study

The water vapor jets on Enceladus are now thought to mostly be more like diffuse “curtains” rather than separate plumes. Image Credit: NASA/JPL-Caltech/SSI/PSI

The water vapor geysers on Saturn’s moon Enceladus are one of the most fascinating phenomena in the Solar System; the jets spray far out into space in a dazzling display unseen […]

Shedding New Light On the Solar System: Celebrating 25 Years of Hubble Science (Part 1)

A photograph of the Hubble Space Telescope. taken by the crew of the STS-109 mission, following the successful completion of the fourth Hubble servicing mission in 2002. The iconic orbiting observatory, which celebrates 25 years of successful operation this month, has completely revolutionised our view of the Cosmos. Image Credit: NASA/STScI

“All truths are […]

Cassini Finds Evidence for Hydrothermal Activity on Saturn's Moon Enceladus

Cutaway view depicting the interior of Enceladus. Water, salts, organics, and methane make their way from the hydrothermal vents on the ocean bottom to the surface through cracks in the icy crust, erupting as geysers. Image Credit: NASA/JPL

The deep oceans on Earth are teeming with life, despite the cold and darkness, thanks to […]

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 […]

ESA's JUICE Mission Receives Approval to Advance Toward Implementation

Artist’s concept of the JUpiter ICy moons Explorer mission, or JUICE, which is scheduled for launch in 2022. The mission recently passed a major milestone in its development, by being granted approval by ESA to advance towards implementation. Image Credit: ESA/AOES

The detailed study of Jupiter’s fascinating large, icy moons got a step closer […]