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Mar 24, 2014 12:00 PM ET // Amy Shira Teitel
It's been 40 years since we first saw Mercury up close, and the flyby raised more questions than it answered.
Mar 16, 2014 02:00 PM ET // Larry O'Hanlon
An obsolete theory of the Earth works better than ever on Mercury, where new data reveals how much the hot little planet has shriveled since it first formed.
Oct 11, 2013 03:45 PM ET // Discovery News
As we say goodby to NASA astronaut Scott Carpenter who died this week at the age of 88, take a look back at his historic Project Mercury spaceflight in 1962.
Oct 10, 2013 07:00 PM ET // AFP
Scott Carpenter, who became the second US astronaut to orbit the Earth in 1962, died Thursday in Colorado aged 88.
Sep 19, 2013 09:40 AM ET // Ian O'Neill
NASA's MESSENGER probe has been in orbit around Mercury since 2011 and has returned photos of some really strange looking objects.
Jul 18, 2013 06:17 PM ET // Jason Major
On Friday, Saturn won't be the only planet that will get photobombed by Earth; the MESSENGER spacecraft will also be taking pictures from the other end of the solar system. Continue reading →
Jun 29, 2013 03:35 PM ET // Amy Shira Teitel
If the United States had managed to put the first man in space, the course of spaceflight would have been very different. Continue reading →
Apr 8, 2013 12:10 PM ET // Markus Hammonds
A puzzling meteorite with unknown origins: It could be from the surface of Mercury, but something doesn't quite add up. ->
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