(PhysOrg.com) -- Planetary scientists have long wondered why Mars is only about half the size and one-tenth the mass of Earth. As next-door neighbors in the inner solar system, probably formed about the same time, why isn't ...
Astronomy
Jun 5, 2011
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In a fitting farewell to the planet that had been its home for over 13 years, the Cassini spacecraft took one last, lingering look at Saturn and its splendid rings during the final leg of its journey and snapped a series ...
Space Exploration
Nov 21, 2017
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In the search for life elsewhere, many studies focus on finding liquid water. But what if life could exist with some other solvent? Saturn’s smoggy moon Titan makes scientists question the possibilities for methane-based ...
Space Exploration
Nov 11, 2011
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(PhysOrg.com) -- Here are five facts about NASA's twin Voyager 1 and 2 spacecraft, the longest continuously-operating spacecraft in deep space. The Voyagers were built by NASA's Jet Propulsion Laboratory in Pasadena, Calif., ...
Space Exploration
Apr 27, 2011
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(Phys.org) —A laboratory experiment at NASA's Jet Propulsion Laboratory, Pasadena, Calif., simulating the atmosphere of Saturn's moon Titan suggests complex organic chemistry that could eventually lead to the building blocks ...
Space Exploration
Apr 3, 2013
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NASA's Cassini spacecraft has sent to Earth its first views of Saturn's atmosphere since beginning the latest phase of its mission. The new images show scenes from high above Saturn's northern hemisphere, including the planet's ...
Space Exploration
Dec 7, 2016
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The distant region beyond Saturn is too cold for liquid water, a necessity for life as we know it. But new research indicates that rocky planets far from their parent star could generate enough heat to keep water flowing ...
Astronomy
Aug 26, 2011
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(PhysOrg.com) -- Dione, one of Saturn’s icy moons, has a weak exosphere which includes molecules of oxygen, according to new findings from the Cassini-Huygens mission.
Space Exploration
Mar 2, 2012
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(Phys.org) —With the sun now shining down over the north pole of Saturn's moon Titan, a little luck with the weather, and trajectories that put the spacecraft into optimal viewing positions, NASA's Cassini spacecraft has ...
Space Exploration
Oct 24, 2013
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These two natural color images from NASA's Cassini spacecraft show the changing appearance of Saturn's north polar region between 2012 and 2016.
Space Exploration
Oct 26, 2016
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