Only 12 astronauts have walked on the moon. Discover who they are, which Apollo missions took them there, and when humans ...

Find the dark and hoard your wishes, my babies — the annual Perseid meteor shower is upon us. Among the finest sky shows in our solar system, the Perseids will be visible throughout the US and most of ...

For 37 years in a searing California desert, runners from across the globe have embarked on a 135-mile race through one of ...