MESSENGER

Mercury Had Quite The Explosive Past, Spacecraft Analysis Shows

by Elizabeth Howell April 9, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Mercury — a planet once thought to have no volcanism at all — likely had a very active past, a new analysis of images from NASA’s MESSENGER spacecraft shows. After looking at 51 vents across Mercury, the team concluded that they […]

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Mercury Shrinking: the First Rock from the Sun Contracted More than Once Thought

by Jason Major March 16, 2014

Whatever Mercury’s did to trim down its waistline has worked better than anyone thought — the innermost planet in our Solar System has reduced its radius* by about 7 kilometers (4.4 miles), over double the amount once estimated by scientists. Of course you wouldn’t want to rush to begin the Mercury diet — its planetary […]

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Weekly Space Hangout – February 14, 2014: Space Valentines!

by Fraser Cain February 14, 2014

Host: Nicole Gugliucci Astrojournalists: Morgan Rehnberg, Brian Koberlein Remove this ad Fraser Cain on Google+

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Confused Mercury Crater Looks Icy, But May Be Evaporation Evidence

by Elizabeth Howell February 3, 2014

At first glance, you’d think that white stuff on the floor of Kertesz crater is ice, especially since that substance has been confirmed on its home planet — Mercury. This new shot of the 19-mile (31-kilometer) crater in the Caloris basin shows off irregular depressions, or hollows, that jump out in this color-enhanced picture taken […]

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Comets Encke and ISON Spotted from Mercury

by Jason Major November 14, 2013

Two comets currently on their way toward the Sun have been captured on camera from the innermost planet. The MESSENGER spacecraft in orbit around Mercury has spotted the well-known short-period comet Encke as well as the much-anticipated comet ISON, imaging the progress of each over the course of three days. Both comets will reach perihelion […]

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