This week, skywatchers are in for a rare treat. Earthshine will bathe the moon in a soft glow, offering a glimpse of its unlit surface like never before. What is Earthshine? Earthshine is an ...

TOKYO (AP) — A Japanese moon explorer is up and running Monday after several tense days without the sunlight it needs to generate power. Japan’s first lunar mission hit its target in a precision ...

Dozens of times over the last decade NASA scientists have launched laser beams at a reflector the size of a paperback novel about 240,000 miles (385,000 kilometers) away from Earth. They announced ...