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.

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 ...

Mercury reaches its peak evening visibility this February, offering Northern Hemisphere observers a longer post-sunset viewing window, higher altitude and a crescent moon reference.