A newly identified “quasi-moon” is being described as a second moon in Earth’s orbit, and it could stay there for decades.

The towering rocket tasked with launching NASA's next moon astronauts on their historic lunar journey has come together.

While we’ll all be under the influence of this moon, three signs in particular will feel the cold steel of the blade and the balance most acutely.

When people believe they’ll be restless under a full moon, that expectation alone can be enough to keep them awake. Nonetheless, the moon seems to have some very real effects on sleep. In a world without people, how fast would NYC fall apart? Here’s the timeline.

The discovery that molecules of methane and ethane can worm their way into the crystal lattice of frozen hydrogen cyanide has big implications for the chemistry on Saturn's largest moon, Titan.

Keep looking up because the November full moon arrives on Election Day. Here's how to see the beaver moon in Iowa.

The Thoroughbred stallion's name now stands not only among racing greats but also as a foundation for the next era of American event horses—bold, balanced, and bred to go the distance.

"Blue Moon," in theaters Friday, tells composer Lorenz Hart's story in a single night in one bar, but its Ethan Hawke shrinking effects are most distracting.