Laboratory test on ice compression has revealed that Jupiter's icy moon's crust could generate a surprising amount of heat, opening a new window into understanding the moon's potentially life-giving ocean.
Some of the moons and icy objects orbiting Saturn may have formed less than 100 million years ago, while dinosaurs still roamed the Earth.
This eerie portrait of Mars' moon Phobos in ultraviolet light was snapped by the NASA orbiter MAVEN as their orbits crossed paths.
Charon, to begin bursting at the seams, much like Marvel's green superhero the Hulk.
On Thursday (Jan. 14), the European Space Agency's Mars Express orbiter is set to pay Phobos a visit in what will be the mission's closest flyby of the Martian moon this year.
After more than eleven years orbiting Saturn, NASA's Cassini spacecraft has made its last-ever targeted flyby of Enceladus, the big little moon that has intrigued scientists with its southern ice geysers since Cassini first spotted them in 2005.
NASA’s Cassini spacecraft, which has been sailing around the Saturn system for more than 11 years, will make its final close approach to the ocean-bearing moon Enceladus on Saturday.
It's not in a galaxy far, far away or even another star system -- this alien world is right in our planetary backyard, a mere 900 million miles away in orbit around Saturn.
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