When NASA's Messenger probe finally entered orbit around Mercury, it discovered a world that is still geologically active.

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Mercury is a planet of impossible contradictions. It’s scorching hot, yet we’ve found ice at its poles. It’s small and barren ...

MESSENGER began its 2,000th orbit around Mercury earlier this week, on May 22. The spacecraft completed its primary mission on March 17, 2012, and its first extended mission on March 17, 2013. The ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

NASA has sent the very first spacecraft into an orbit around Mercury, the closest planet on our solar system to the Sun. Now that it is there, NASA’s satellite MESSENGER (MErcury Surface, Space ...

A single year is left in the long joruney of the two BepiColombo spacecraft as they try to reach planet Mercury for a truly ...

The exhibit is comprised of a recently-restored Atlas missile and a mock Mercury capsule. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.