It shouldn’t be very easy to find ice on Mercury. It’s true that temperatures on the planet’s night side drop to -280°F (-173°C), but daytime temperatures soar to a hellish 800°F (427°C) or so, and ...

Composite image of the north pole of Mercury. Red are the areas of permanent shadow; yellow delineates radar bright deposits mapped from Earth. Data are plotted on a photomosaic of MESSENGER images.

A single year is left in the long joruney of the two BepiColombo spacecraft as they try to reach planet Mercury for a truly ...

After building us up and letting us down easy about that alleged discovery "for the history books" from Curiosity, NASA has announced the next best thing in space right now: we found water ice on ...