Moon Phases

Top 10 Cool Moon Facts

Skywatcher's Guide to the Moon
Includes a printable Moon map and viewing tips.

Moon Mechanics:
What Really Makes Our World Go 'Round
18 March 2003: A billion years ago, the Moon was much closer to Earth than it will be tonight. Ever since, the Moon has had dramatic effects on our planet and the life that inhabits it. Find out how things have changed and what it all means.

Earth's Attic
Moon Holds Ancient Terrestrial Secrets
23 July 2002: Tons of rocks and dust long ago blasted from Earth by asteroid impacts lay on the Moon's surface and could hold secrets to our home planet's early history and the origin of life.

24 Hours of Chaos:
The Day The Moon Was Made
Animation shows a Mars-sized object crashing into Earth.

Rallying for a Return to the Moon
From a generation of return-to-the-moon revivalists, one question: "If we can put a man on the Moon, then why can't we put a man on the Moon?"