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“MESSENGER”

May 7, 2015 02:00 PM ET // Irene Klotz
A robotic spacecraft that circled Mercury detected magnetized rocks, evidence that planet’s still-roiling, liquid metal core likely spawned a global magnetic field as far back as about 3.8 billion years ago.
Apr 30, 2015 04:23 PM ET // Ian O'Neill
At 3:26 p.m. ET today (Thursday), NASA's MESSENGER mission to the innermost planet of the solar system came to a dramatic end, smashing into Mercury's surface at a speed of over 8,700 miles per hour.
Apr 30, 2015 07:16 PM ET // Ian O'Neill
As it zoomed danger-close to small planet's surface at a mind-boggling 8,700 miles per hour, MESSENGER managed to beam one last look at the Mercurian landscape back to Earth.
Apr 30, 2015 09:50 AM ET // AFP
The spacecraft is expected to crash onto the planet's surface at a searing 8,750 miles per hour -- fast enough to carve out a crater 52 feet wide.
Apr 30, 2015 02:59 PM ET // Ian O'Neill
NASA has released a map of the region where the spacecraft is expected to crash.
Apr 16, 2015 02:00 PM ET // Irene Klotz
NASA’s MESSENGER spacecraft is in the final days of an unprecedented and unexpectedly long-lived, close-up study of the innermost planet of the solar system, with a crashing finale expected in two weeks.
Apr 6, 2015 08:45 AM ET // Nola Taylor Redd, SPACE.com Contributor
As MESSENGER heads into the last few weeks of its mission, it continues to reveal more information about unusual features on Mercury.
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.
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