
How to See All Six Apollo Moon Landing Sites
Walk in the astronauts' footsteps as you explore the places they visited in the heyday of Apollo program. Use these helpful maps to start you on your way.

Crazy About Concentric Craters
With the Moon riding high this week, what better time to look for its three best-known yet enigmatic "ring" craters? We welcome back the waxing Moon this week. It's a chance for many of us to put dark-sky targets on the back burner and give some love to she who lights the night.…

Are You Game for a Dawn Conjunction?
Will you brave the cold Friday morning to witness the conjunction of Saturn and the waning Moon?

Wake Up to a Total Lunar Eclipse on October 8, 2014
Start your day with an eclipse of the full Moon! On the morning of October 8, 2014, a total lunar eclipse will be visible across most of North America.

Earthshine, the Moon's Darker Side
Explore the Moon's dark side with the aid of earthshine.

Two Moon-Planet Conjunctions Juice Up July
On July 5th, the Moon has a remarkably close brush with Mars, followed two nights later by a similar rendezvous with Saturn.

Cosmic Relief with David Grinspoon
Lunar News Flash
Did scientists make LCROSS seem like a dud by raising expectations of a spectacle?