NASA's hardest working probe has finally run out of fuel, and will meet a tragic fate as it crashes into the planet Mercury on April 30. See the amazing photos this probe shared with us in its very ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

CAPE CANAVERAL, Fla. (AP) – The only spacecraft ever to orbit Mercury ended its four-year tour with a crash landing Thursday. NASA’s Messenger plunged from orbit as planned and slammed into the sun’s ...

The Pleiades (top) and planet Mercury a little more than an hour after sunset yesterday April 26. Credit: Bob King See that little dot down in the trees? That's Mercury. In just a matter of days, it ...

Before crashing into Mercury's surface, the MESSENGER probe sent a glorious visual archive back to Earth. Here's what the probe taught us about Mercury before it died. Share on Facebook (opens in a ...

NASA’s Mercury-bound Messenger spacecraft dropped into orbit around the tiny, orbitally eccentric planet just a few months ago, and it’s already sent back enough data to notably alter our take on the ...

NASA's Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun. The first spacecraft to circle Mercury, Messenger is ...

For a week now, excited astronomers have been looking at close-up images of Mercury, where temperatures range from 800° to -300°. Is it possible that the planet closest to the Sun has deposits of ...

For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury. The NASA spacecraft Messenger veered into a pinpoint orbit Thursday ...

The third lecture in the 2011 Exploring Space Lecture Series featured Sean C. Solomon, the Principal Investigator for the MESSENGER mission and the Director of the Department of Terrestrial Magnetism ...