The moon is our constant companion and the only natural object that always orbits Earth. It's about four times smaller than Earth and its gravity is much weaker, which is why astronauts bounce around ...

Add Yahoo as a preferred source to see more of our stories on Google. March’s “worm moon” sets behind Rocca Calascio castle and village in L’Aquila, Italy. Photograph by Lorenzo Di Cola, ...

(CNN) — Here’s a look at the first moon landing on July 20, 1969. The moon landing was watched by an estimated 600 million people around the world. July 20, 1969 – [4:17 p.m. EDT] Apollo 11 becomes ...

The next full moon of the summer will be here before we know it as the Sturgeon Moon will be visible on August 9. If you’re looking to view this full moon at its apex, it will reach its peak ...

Northern Californians can gather to see a total lunar eclipse on March 3. Find out when to watch the 'blood moon' and why it turns red.