Italian astronomer Galileo Galilei peered through his newly improved 20-power homemade telescope at the planet Jupiter. He ...

The full Hunter's Moon will make its appearance on Tuesday, Oct. 7, 2025. It also happens to be the first of three ...

The Wolf Moon, January's full moon, will reach peak illumination Monday. The previous full moon was December's Cold Moon.

How old is the Moon? Astronaut-gathered samples from the lunar surface put its age at about 4.35 billion years. However, ...