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“Satellites”

Feb 21, 2015 04:56 PM ET // Jason Major
If observations made by ESA's Mars Express are indicative of similar processes seen on Earth, these ancient Martian hills may also hide hidden deposits of ice.
Feb 11, 2015 07:10 AM ET
SpaceX is gearing up to launch Discovr, which will keep an eye on both the weather in space and the goings on with our home planet.
Jan 20, 2015 01:46 PM ET // Ian O'Neill
Marsnet is coming...
Jan 3, 2015 09:00 AM ET // Irene Klotz
Engineers have found a way to buy some time for the MESSENGER spacecraft, which was due to end its four-year mission in March with a suicidal plunge.
Nov 12, 2014 02:52 PM ET // Jason Major
This summer ESA's Venus Express spacecraft daringly dipped into the upper atmosphere of our neighboring planet during a risky but successful aerobraking maneuver. Continue reading →
Oct 20, 2014 11:35 AM ET // Ian O'Neill
As comet Siding Spring speeds away after its Martian encounter on Sunday, our armada of satellites have reported in to signal that they are OK.
Oct 20, 2014 08:50 PM ET // Ian O'Neill
The HiRISE camera on board NASA's Mars Reconnaissance Orbiter (MRO) has become the first instrument orbiting Mars to beam back images of comet Siding Spring's nucleus and coma. Continue reading →
Oct 14, 2014 11:35 AM ET // Elizabeth Howell, Space.com
The European Space Agency's Rosetta spacecraft has sent home several spectacular images that show a large pyramid-shaped boulder studding the surface of its target comet.
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