A NASA Discovery mission to conduct the first orbital study of the innermost planet
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Where is Mercury Now

We bid a fond farewell to the MESSENGER spacecraft on April 30th, 2015

"Our craft set a record for planetary flybys, spent more than four years in orbit about the planet closest to the Sun, and survived both punishing heat and extreme doses of radiation. Among its other achievements, MESSENGER determined Mercury’s surface composition, revealed its geological history, discovered that its internal magnetic field is offset from the planet’s center, taught us about Mercury’s unusual internal structure, followed the chemical inventory of its exosphere with season and time of day, discovered novel aspects of its extraordinarily active magnetosphere, and verified that its polar deposits are dominantly water ice. A resourceful and committed team of engineers, mission operators, scientists, and managers can be extremely proud that the MESSENGER mission has surpassed all expectations and delivered a stunningly long list of discoveries that have changed our views not only of one of Earth’s sibling planets but of the entire inner solar system," said Sean Solomon, MESSENGER’s Principal Investigator.

Read the press release about MESSENGER’s final act

See both the first and final images of Mercury captured by MESSENGER

Watch "A Tribute to MESSENGER," a video created by one of our very own engineers, Mark Kochte

Read an article in the popular science press about the MESSENGER mission

graphic with names of 5 artists and picture of respective craters that will bear their names

WINNERS ANNOUNCED! Name a Crater on Mercury in Honor of your Favorite Artist Contest

Visit the competition website to see the winners and learn more [HERE]!

Watch an animation revealing the winners [HERE]!

Check out the Image of the Day for MESSENGER [HERE]!

Read the International Astronomical Union press release [HERE]!

Exploring MESSENGER data through a collection of images under #thatsmessenger

Check out our new
(and ever expanding)
set of "shareables" [HERE]!


Media and Public Event: MESSENGER’s Top 10 Science and Engineering Accomplishments

After more than 10 years in operation, the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft will impact the surface of Mercury later this month at a speed of more than 3.91 kilometers per second (8,750 miles per hour), marking the end of operations for the hugely successful Mercury orbiter. At this media and public event, scientists and engineers discussed the mission’s accomplishments, provided the Top 10 scientific discoveries, as well as the technological innovations that grew out of the mission. Watch the full briefing and access supporting materials [HERE].

Press Briefing: Science Results from MESSENGER’s Low-Altitude Campaign

MESSENGER scientists presented new findings from the highest resolution images of Mercury to date at the Lunar and Planetary Science Conference (LPSC) on 16 March. Watch the full briefing and access supporting materials [HERE].

MESSENGER accomplishments over 10 years

Water ice on the planet closest to the Sun?!

Explore the data and see if you can find a promo code in Mexico

Explore Mercury in Google Earth:


About the MESSENGER Education and Public Outreach website

In developing this site, educators, scientists, and engineers are working together to bring the exciting science of MESSENGER to everyone. Here you will find a wealth of resources about the planet Mercury and about the MESSENGER mission. If you are a student or teacher make sure you check out the special sections containing educational materials and opportunities.

The MESSENGER Education and Public Outreach Team

The MESSENGER education and public outreach program is conducted by a dedicated team of individuals and organizations with a long track record in space science education in both formal (classroom) and informal (museum and science center) settings. Read about the partner organizations here and meet the team that makes it all happen here.

|symbol representing mercury Do you ever wonder where Mercury is now? Satisfy your curiosity and find out here!|