One week ago, the 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 1975.

CNN.COM - NASA released on Wednesday more of the first images of Mercury taken by a spacecraft orbiting the planet, including the first color closeups depicting it in all its pock-marked glory. The ...

View of planet Mercury from space. Space, nebula and planet Mercury. This image elements furnished by NASA. A few evenings ago I found myself in a remote layby in Utah close to Canyonlands National ...

Mercury may have comet dust to thank for its dark appearance. The smallest planet in the solar system (sorry Pluto) has curious coloring: It’s darker than it should be, and scientists aren’t sure why.

Data from the second MESSENGER flyby of Mercury is coming in; NASA held a telephone press conference today to release some new, interesting stuff. Although scientifically it’s just a tease, my ...

Of Interest: This high-resolution enhanced color view of Kuiper crater shows not just the bright rays that extend out from this relatively young crater but also the redder color of Kuiper’s ejecta ...