The moon's final quarter arrives May 20, offering stunning views of half its surface lit. Discover the best ways to observe ...

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 ...

A new NASA mission to map the solar wind has returned some of its first images from its position in low Earth orbit. The ...

NASA’s GRAIL mission reveals thermal differences in the moon’s mantle, explaining surface contrasts between its sides.

We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

NASA astronaut Nichole Ayers, an Expedition 73 crew member aboard the International Space Station, photographed the "Flower" ...

The full moon is an ethereal lantern dancing with Earth in NASA astronaut Nichole Ayers' snapshots from the International ...

Sen, a company based in London, provides views of Earth from orbit, with the hopes of making an experience usually reserved ...