Built on a set in a specialist facility in Germany, a mockup of a lunar landscape is helping imaging experts learn how to ...

For the next few evenings, the waxing gibbous moon is already well up as skies darken. If you happen to see it, keep in mind ...

Countless shadowed craters line the terminator all the way down to the moon's southern pole, while the 54-mile-wide (87 km) ...

Four-time spaceflight veteran Peggy Whitson had a good excuse for not showing up Saturday for her own induction ceremony to ...