We know why we're going to Mercury. But many people may not know how the spacecraft is designed in order to get there safely.
Planet Mercury keeps scientists guessing.
MESSENGER plans to get personal with our mysterious terrestrial neighbor.
Mercury is an extreme: the smallest, the densest, it has the oldest surface, the largest daily variations in surface temperature - and it's the least explored.
Everything you always wanted to know about Mercury and more!
Earth-based radar imaging of Mercury has revealed areas of high radar reflectivity near the north and south poles, which could indicate of the presence of ice.
Answers to some common questions about the planet Mercury.