Mercury TOP STORY
Caloris Basin on Mercury As Seen From Orbit 
© NASA
Caloris Basin
This mosaic of Caloris basin is an enhanced-color composite overlain on a monochrome mosaic.
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Mercury
Last Chance: Mercury Crater-Naming Contest Ends January 15
© NASA
Mercury Passes Through Comet Debris
The MESSENGER Education and Public Outreach (EPO) Team is reminding interested parties that the competition to name five impact craters on Mercury closes on January 15, 2015. The contest, open to everyone except members of the mission's EPO team, was launched on December 15, 2014.
Mercury
Extending MESSENGER's Mission at Mercury
The MESSENGER spacecraft will soon run literally on fumes.
Mercury
MESSENGER Data Suggest Recurring Meteor Shower on Mercury
The closest planet to the sun appears to get hit by a periodic meteor shower, possibly associated with a comet that produces multiple events annually on Earth.
Mercury
MESSENGER Provides First Optical Images of Ice Near Mercury's North Pole
NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft has provided the first optical images of ice and other frozen volatile materials within permanently shadowed craters near Mercury's north pole.
Mercury
MESSENGER's View of Lunar Eclipse 
As millions of people observed the total lunar eclipse on October 8, MESSENGER was also watching.
Mercury
Hokusai Crater on Mercury
This dramatic image features Hokusai in the foreground, famous for its extensive set of rays, some of which extend for over a thousand kilometers across Mercury's surface.
Mercury
Mercury's Magnetic Field Shows How its Interior is Different From Earth's
Earth and Mercury are both rocky planets with iron cores, but Mercury's interior differs from Earth's in a way that explains why the planet has such a bizarre magnetic field, UCLA planetary physicists and colleagues report.
Mercury
MESSENGER Completes 3,000th Orbit of Mercury and Moves Lower
On April 20, MESSENGER completed its 3,000th orbit of Mercury and moved closer to the planet than any spacecraft has been before, dropping to an altitude of 199 kilometers (123.7 miles) above the planet's surface.
Mercury
Mercury Contracted More Than Prior Estimates
New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier estimates.
Mercury
MESSENGER Surpasses 200,000 Orbital Images of Mercury
The 1996 proposal for the mission promised a return of at least 1,000 images says Robert Gold, MESSENGER's Science Payload Manager.
Mercury
John Lennon's Crater on Mercury
Lennon crater was recently named to honor English musician/singer/songwriter John Lennon (1940-1980).
Mercury
The Walls of Crater Damer on Mercury
The steep walls of the crater Damer are highlighted in today's image.
Mercury
Looking at The Horizon of Mercury
Three named craters are featured prominently in this view.
Mercury
MESSENGER Celebrates 1,000 Earth Days in Orbit around Mercury
The MESSENGER spacecraft has completed 1,000 Earth days of flight operations in orbit around Mercury.
Mercury
Craters in the Caloris Basin on Mercury
This image features several craters near the eastern edge of the Caloris basin. The larger craters have excavated low reflectance material, and both have hollows forming within their floors.
Mercury
An Explanation of the Rotational State of Mercury
Planetary scientists are announcing today a new explanation of the current rotational state of the planet Mercury. The report is being presented by Dr. Benoit Noyelles of the University of Namur, Belgium, to the meeting of the Division for Planetary Sciences of the American Astronomical Society, held in Denver, CO.
More top stories from March.
Calendar
- 6 Mar: Midwest Astrochemistry Meeting
- 11 Mar: Connecting Space with International Security and Stability
- 15 Mar: 58th Annual Robert H. Goddard Memorial Dinner
- 15 Mar: MESSENGER MDIS Data Users' Workshop
- 15 Mar: Scientist and Science Educator Professional Development Workshop
- 15 Mar: March Storm 2015 Legislative Campaign
- 15 Mar: User Workshop for Mars ChemCam/LIBS Data at LPSC
- 16 Mar: Meeting: RTCA Special Committee 159, Global Positioning Systems
- 16 Mar: 3rd Manfred Lachs International Conference on NewSpace Commercialization and the Law
- 17 Mar: STA Reception for Rep. Culberson
- * Submit Your Event | More Events *
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