Say goodbye to Earth’s second Moon! This video explores the fascinating phenomenon of what is often referred to as Earth's ...

By 10:01 p.m. EST, the entire moon will be gobbled up by the shadow so that no direct light from the sun can reach its surface. But the moon still won't go completely dark.

Bird says Goodnight Moon wasn't on the shelves of the New York Public Library for decades because former librarian Anne Carroll Moore didn't think it 'fit the mould.' (Kathy Willens/Associated Press) ...

Firefly's 6-foot-tall lunar lander entered the moon's orbit Thursday after starting a lunar orbit insertion burn around 9 p.m. EST that lasted just over four minutes. The milestone came five days ...

The U.S. Postal Service unveiled stamps based on artwork from the classic children's book "Goodnight Moon" at The Rabbit hOle, a museum that brings to life a century of American children's ...