Nobody?s ever seen Mercury in such detail, or color. The first images of the planet in 30 years provide rich close-ups of ridges, cliffs and compound crater formations, all in high-resolution color.

One week ago, NASA's MESSENGER spacecraft transmitted to Earth the first high-resolution image of Mercury by a spacecraft in over 30 years, since the three Mercury flybys of Mariner 10 in 1974 and ...

Mercury is a planet that just doesn't make sense. It's incredibly small yet hosts a relatively massive core. Mercury is so strange that astronomers have not been able to explain its properties with ...