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

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

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 ...

The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25.

But, in fact, it’s actually really difficult to reach the innermost planet of our solar system—which makes it that much more impressive that the ESA and JAXA’s BepiColombo mission has almost reached ...

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.

Mercury retrograde is an optical illusion that occurs when the planet Mercury appears to move backwards in the night sky. , ...