Mercury is one of the least visited planets in our solar system, but NASA’s MESSENGER mission changed that in 2011. It remains the only spacecraft to orbit the planet, capturing thousands of ...

Cliffs (left) on Mercury seen by the MDIS narrow-angle camera during Messenger's January 14, 2008 flyby suggest that the planet's crust may have shrunk.

The MESSENGER spacecraft launched on August 3, 2004, and after flybys of Earth, Venus, and Mercury will start a yearlong study of its target planet in March 2011. Dr.

The Messenger spacecraft that sped past Mercury on Jan. 14 sent back pictures of a geological formation never seen before in the solar system: a central depression with more than 100 narrow ...

Messenger Mercury Probe Set for Liftoff NASA prepares to launch a space probe Monday that will conduct an expedition to the planet Mercury. The Messenger craft is slated to arrive at Mercury in 2011.

The IAU recently approved a proposal from the MESSENGER Science Team to confer names on 16 impact craters on Mercury. The newly named craters were imaged during the mission’s first […] ...