"The high-rate excavation needed to harvest helium-3 from the moon in large quantities has never been attempted before, let ...

The moon's last quarter - or final quarter phase will occur at 07:59 a.m. EDT (1159 GMT) on the morning of May 20 for viewers ...

As more of the solar system has been explored and imaged, all kinds of geographical features have been mapped on many of our ...

From Cold War pressure and tragic setbacks to the most iconic step in human history—this is how the Apollo Program brought us ...