Earth's Moon

The only natural satellite of Earth.


Earth’s Moon Earth's partner in its yearly trek around the...
Earth We know our world as an abode for life. Earth is...

Radio Programs

Moon and Spica Filling a lunar “ocean” Friday, January 29, 2016
Moon and Companions Building a mound on the Moon — after this. Wednesday, January 6, 2016
Breaking Down Breaking down lunar soil Sunday, December 13, 2015
Blood Harvest Super Moon Lining up names for the full Moon Sunday, September 27, 2015
Moon and Spica Frozen in place in lunar skies Wednesday, July 22, 2015
Moon and Antares Digging up some lunar history Tuesday, June 2, 2015
Moon, Saturn, and Antares Heating up the Moon’s interior Thursday, March 12, 2015
Moon and Regulus Settling the dust on the Moon Wednesday, February 4, 2015
More Moon and Jupiter The Moon stays active Tuesday, February 3, 2015
Moon and Companions A brilliant presence in the night sky Friday, January 16, 2015
Moon and Aldebaran A game of cat and mouse in the night sky Thursday, January 1, 2015
Hailstorm The inner planets take a beating Monday, December 29, 2014
Moon and Jupiter Measuring the solar system with a ruler Wednesday, December 10, 2014
Moon and Regulus Locking the Moon in position Tuesday, July 1, 2014
Moon and Mercury Ghostly apparitions in the evening sky Friday, May 30, 2014
Moon and Mars Digging holes on other worlds Saturday, May 10, 2014
Moon and Regulus Bright flashes on the surface of the Moon Thursday, March 13, 2014
Moon and Companions Quartering the Moon Friday, February 21, 2014
Moon and Aldebaran Peeking at the Moon’s backside Saturday, January 11, 2014
Moon and Spica Following the rhythms of the night Thursday, November 28, 2013
Moon and Venus Paving the surfaces of two worlds Monday, October 7, 2013
More Moon and Venus Stirring up some lunar dust Saturday, August 10, 2013
Water World Diving into lunar research Wednesday, July 17, 2013
A New Cycle Beginning a new lunar cycle Friday, May 24, 2013
Moon and Spica A small but vast astronomical gap Tuesday, May 21, 2013
Moon and Regulus Lining up some bright moonlight Friday, May 17, 2013
Moon and Jupiter Measuring the skin of the Moon Sunday, April 14, 2013
Moon and Companions A bright highlight on the dark Moon Thursday, March 28, 2013
Moon and Companions From leading light to a pale second Friday, February 1, 2013
Moon and Jupiter III Mixing up some lunar water Wednesday, December 26, 2012
Moon and Mars Visitors from other worlds Saturday, December 15, 2012
Moon and Jupiter A chilly Moon for a chilly time of year Wednesday, November 28, 2012
Moon and Companions Taking a peek at the Moon’s backside Saturday, November 10, 2012
Moon and Regulus Brightening up the Moon Wednesday, October 10, 2012
Moonwatching Moonlight on an autumn night Saturday, September 22, 2012
Moon and Mars Prime real estate on other worlds Wednesday, September 19, 2012
Moon and Companions A traffic jam in the evening sky Tuesday, August 21, 2012
Moon, Jupiter, and Aldebaran The Moon takes a pounding Friday, August 10, 2012
Lunar Secrets New secrets from old moonrocks Tuesday, June 12, 2012
Back to the Moon(rocks) New discoveries from old rocks Monday, June 11, 2012
Moon, Mars, and Regulus Dark ice at the Moon’s poles Monday, May 28, 2012
Happy Coincidence A beautiful scientific coincidence Friday, May 18, 2012
Moon and Mars Crowded skies above the Moon Tuesday, May 1, 2012
More Moon, Saturn, and Spica A celestial yin and yang Saturday, March 10, 2012
Moon and Mars Historic monuments on another world Thursday, February 9, 2012
Moon and Companions Reflections on a quarter Moon Sunday, January 15, 2012
Lunar Arrival An unusual way to greet the new year Friday, December 30, 2011
Moon and Regulus Excavating a lunar crater Thursday, December 15, 2011
Moon and Aldebaran New tools for digging into lunar history Saturday, November 12, 2011
Moon and Mars Strolling on alien worlds Thursday, October 20, 2011
Hunter’s Moon Giving the Moon a two-faced appearance Tuesday, October 11, 2011
Lumpy Moon Measuring the Moon’s “lumpiness” Tuesday, September 6, 2011
Watching Earthshine Watching the dark side of the Moon Monday, September 5, 2011
Moon and Antares Kicking the Moon in the name of science Saturday, September 3, 2011
Apollo 15 Checking out a beautiful landscape Saturday, July 30, 2011
Moon and Jupiter Water in some orange dirt Friday, July 22, 2011
Moon and Antares The sweetness of a full Moon Tuesday, June 14, 2011
Moon and Regulus A volcanic lunar layer cake Tuesday, May 10, 2011
Birth of a Moon New ideas about the birth of a moon Friday, April 15, 2011
More Moon and Venus Naming ancient volcanic basins Wednesday, March 30, 2011
More Moon and Companions Fine-tuning the view of the heavens Monday, February 21, 2011
Moon and Jupiter A delayed trip to the Moon Sunday, February 6, 2011
More Apollo 14 Taking care of some lunar business Saturday, February 5, 2011
Apollo 14 Giving the Moon a big whack Friday, February 4, 2011
Lunar Swirls Swirling across a drab surface Wednesday, January 12, 2011
Twilight Zone Entering the lunar twilight zone Tuesday, January 11, 2011
More Moon and Jupiter Diving into a famous lunar "sea" Monday, January 10, 2011

Featured Images

Venus, Mercury, and the earthshine-illuminated crescent Moon
Lighting the Shadows Friday, May 30, 2014
Lunar Reconnaissance Orbiter view on lunar north polar regions
Top o' the Moon Wednesday, March 19, 2014
GRAIL map of lunar surface gravity
Lunar Lumpiness Sunday, April 14, 2013
Gravitational map of the Moon compiled by the GRAIL mission
Lunar Attraction Saturday, December 15, 2012
Apollo 17 at the rim of Shorty Crater, December 1972
Back to the Moon(rocks) Monday, June 11, 2012
Dark lunar features are named seas or oceans
Split Personality Thursday, February 9, 2012
Earth's atmosphere distorts the Moon as seen from the International Space Statio
Squashed Moon Tuesday, January 17, 2012
Artist's concept of GRAIL spacecraft measuring the Moon's gravitational field
Lunar Arrival Friday, December 30, 2011
Map of the Moon's gravitational field
Lunar Lumpiness Tuesday, September 6, 2011
Earth and Moon from International Space Station
Blue Moon? Monday, March 21, 2011
Apollo 14 commander Alan Shepard poses with the American flag on the Moon
Long Journey Sunday, February 6, 2011
Lunar crater gouged by Apollo 14 booster rocket
A Big Whack Friday, February 4, 2011
Just Hanging Around Monday, January 11, 2010


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