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Earth's Moon

The only natural satellite of Earth.


Earth’s Moon February 19, 2016

Craters and Extinctions February 19, 2016


Earth February 10, 2016

Radio Programs

One Month to Go One month and counting September 14, 2023

New Moon The first day of a new month August 15, 2023

Moon and Gemini Getting ready to head for the Moon August 12, 2023

New Moon Lining up the new Moon July 17, 2023

Moon and Spica An important world you’ve never heard of June 27, 2023

Better Radar Improving our radar “eyes” on the solar system May 5, 2023

Moon and Regulus A giant among the little guys April 29, 2023

Moon and Venus Lighting up the lunar night March 23, 2023

Moon, Venus, Jupiter III Viewing the Moon when it’s not in sight February 23, 2023

Observe-the-Moon Night Keeping a close eye on the Moon October 1, 2022

Moon and Antares Getting whiplash from the Moon September 3, 2022

Falling into Place Making a planet a good home for life September 2, 2022

Moon and Saturn Using the Moon as a scientific instrument June 17, 2022

Moon, Mars, and Jupiter Heading for a tadpole on the Moon May 23, 2022

Moon and Regulus Bouncing around the Moon May 9, 2022

Moon and Antares The penultimate mission to the Moon April 18, 2022

Moon and Spica Bigger Moon, warmer Earth April 15, 2022

Moon and Regulus Breaking apart Earth’s crust April 11, 2022

Dimmer Earth Earth gets a little dimmer March 28, 2022

Moon and Pollux Looking for bits of the Moon on Earth March 12, 2022

Moon and Spica Sailing through the stars January 23, 2022

Moon and Aldebaran Illuminating the “dark” side of the Moon January 13, 2022

Moon and Venus Ambitious visits to the Moon November 7, 2021

Moon and Jupiter Settling in on the Moon September 17, 2021

Moon and Antares Highs and lows on the Moon August 16, 2021

Moon and Jupiter The gibbous Moon fades in a hurry July 25, 2021

Moon and Saturn Splashing into two worlds July 23, 2021

Moon and Regulus Listening to the Moon’s interior June 15, 2021

Moon and Spica Staying awake in the moonlight May 22, 2021

More Moon and Mars The Moon takes a heavy beating April 17, 2021

Moon and Regulus Digging into fresh lunar samples March 25, 2021

Rare Rocks Rocks from a distant impact February 6, 2021

Apollo 14 Antares today and yesterday February 5, 2021

Moonshine Shining a new light on the Moon January 10, 2021

Moon and Planets Taking the first ride on the Moon November 18, 2020

Harvest Moon Bookend full Moons for October October 1, 2020

Lunar Meteorites Picking up pieces of the Moon September 21, 2020

Moon and Antares Shifting the Moon’s weight August 25, 2020

Eating (Lunar) Dust Feeding moondust to cockroaches July 31, 2020

Shorter Days The days keep getting longer July 30, 2020

Moon and Companions A brilliant orb in the lunar sky April 25, 2020

Moon and Antares Softening the lunar landscape March 14, 2020

Moon and Companions A bit of color for the Moon January 19, 2020

Moon and Regulus A giant “ocean” on the dry Moon January 12, 2020

Moon, Mars, Mercury M&M&Ms in the dawn sky November 23, 2019

Moon and Regulus A barrage from the asteroid belt October 22, 2019

Learning Secrets Tapping into the secrets of the Moon July 23, 2019

Lunar Laser Aiming a laser pointer at the Moon July 22, 2019

Moon and Venus Pockmarked worlds in the dawn sky March 31, 2019

Moon and Spica The Moon’s thin atmosphere March 21, 2019

Moon and Jupiter Counting flashes on the Moon February 26, 2019

Moon and Companions A bright triangle in the dawn sky December 2, 2018

More Moon and Saturn Cool water on the Moon November 11, 2018

Moon and Venus Shaking up the lunar surface September 11, 2018

Moon and Aldebaran Covering up a bright star July 9, 2018

Moon and Companions The Moon’s “lumpy” gravity June 22, 2018

Moon and Regulus Night and day on the Moon April 23, 2018

Moon and Aldebaran The Moon inches farther away April 18, 2018

Moon and Spica Slithering across the Moon February 4, 2018

Last Surveyor A final trip to the Moon January 9, 2018

Moon and Aldebaran Calibrating the dark Moon December 30, 2017

Moon and Companions Gassing up a lunar atmosphere December 13, 2017

Moon and Mars More water on two nearby worlds December 12, 2017

Lunar Migration Moving with the phases of the Moon November 13, 2017

Moon and Regulus Flashes on the dark Moon November 10, 2017

Moon Watching A special night for moonwatching October 28, 2017

Moon and Companions Getting close to two north poles August 29, 2017

Moon and Saturn Snake-like creatures on the Moon July 6, 2017

Moon and Companions The jumbled-up “dark” side of the Moon July 1, 2017

Moon and Venus Beautiful encounters with the Moon June 19, 2017

Moon and Venus Weather on the surface of the Moon May 20, 2017

Moon and Saturn Light and dark on the lunar surface April 15, 2017

Moon, Jupiter, and Spica Making the Moon face our way April 11, 2017

Moon and Regulus Sneaking up on the celestial lion — after this. February 10, 2017

Moon and Planets Earth and the Moon move around January 3, 2017

Featured Images

three lunar pit craters

Safe Havens September 11, 2023

lunar farside from India's Chandrayaan-3 spacecraft, august 19, 2023

Joining the Club August 23, 2023

tycho crater on the moon

Missed Opportunity May 13, 2023

laser shot during lunar eclipse

Shooting the Moon May 9, 2022

Apollo 16 astronaut Charles Duke on the Moon

Good Times April 20, 2022

apollo 16 launch, 1972

Penultimate Mission April 18, 2022

Close Companions April 15, 2022

radar view of Tycho Crater

Sharp Moon September 22, 2021

Selenean Summit, the highest point on the Moon

High Point August 16, 2021

Chinese lunar explorers

Lunar Explorers October 6, 2020

A moonrock found in Antarctica in 1994

Moonrocks September 21, 2020

Sea of Crises

Dry Sea August 1, 2020

Ocean of Storms on the Moon

Dry Ocean January 12, 2020

Moon over Arches National Park

Plenty of Moonlight December 11, 2019

Composite image showing sites of possible ice deposits on Mercury

Icy Darkness November 24, 2019

Lunar Reconnaissance Orbiter view of Shackleton crater at lunar south pole

Reconnoitering the Moon June 23, 2019

Hayabusa 2 on Ryugu; Beresheet heads for the Moon

Space Shots February 22, 2019

Hidden Moon January 16, 2019

Icy Goodness November 11, 2018

Moonrise July 5, 2018

gravity map of a portion of the Moon

Lumpy Moon June 22, 2018

moonrise at arches national park

Moonwatching October 28, 2017

Full Moon behind the Wisconsin state capitol, September 2015

Bright Moon November 13, 2016