On July 5th, the Moon has a remarkably close brush with Mars, followed two nights later by a similar rendezvous with Saturn.
With a subtle beauty all its own, the earthshine we see glowing in the lunar night invites us to consider Earth's many connections to the Moon.
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.
Will you brave the cold Friday morning to witness the conjunction of Saturn and the waning Moon?
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. During fall, the evening...
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.
Like "catching some rays"? This weekend's Blue Moon invites us to explore the beauty and dazzle of crater rays, the tracks left by powerful impacts in the not-so-distant past.
After a late-night ramble through the Hyades cluster, the waning gibbous Moon will cover up the bright star Aldebaran for observers across North America Friday morning.
Who says you need a telescope to see craters on the Moon? Here's how to find a half-dozen with just the naked eye.
After taking us to Comet Catalina's doorstep, the Moon covers Venus in a spectacular daytime occultation visible from most of North and Central America on Monday, December 7, 2015.
Baptized in the fire of yesterday's total solar eclipse, a very young crescent Moon emerges into the night sky.
With astronomy being celebrated around the globe this month, join the fun by participating in a unique lunar observing challenge: track down 20 features once thought to show evidence of change from weather, geology, and even life.