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For weeks, people have searched for this post more than any other at EarthSky. No, there won't be a green moon on April 20, 2018. It's a joke, y'all, with its roots (ahem) in cannabis culture. :-)
ESO astrophotographer captures elusive green flash as moon sets over Chile's Atacama Desert.
Gene Giacomelli describes how a new kind of greenhouse would work to help feed astronauts on a moon mission in the future.
The June full moon - the Strawberry Moon - occurs on the overnight of June 21-22, 2024. Watch its path across the sky. You'll see it mimics the December sun.
For June babies, pick any of these as your June birthstone: a gleaming pearl, a glowing moonstone, or a colorful and exotic alexandrite. All are lovely choices.
Professional astronomers can explain to you why stars can’t look green. Yet many stargazers insist that Zubeneschamali proves otherwise.
The May full moon occurs in the morning of May 23, but looks full on the previous evening and as it rises on May 23. Learn more about the Flower Moon.
Watch for the moon in the morning sky - after sunrise - for a few days after full moon. Look west after the sun comes up!
The April 2024 full moon – on April 23 – is the Pink Moon and lies near the star Spica in the constellation Virgo. Find star charts here.
There are plenty of myths that surround the moon. Here are 5 of the most popular myths. How many of these myths have you been led to believe?
2 new studies suggest the subsurface ocean on Jupiter's moon Europa may not be as habitable as previously thought, due to a geologically inactive seafloor.
The March full moon on March 24-25, 2024, is near the bright star Spica in the constellation Virgp. There's also a penumbral lunar eclipse!
The moon is shrinking and causing moonquakes and faults near its south pole. But this region is important for future Artemis missions because of ice.
The 2024 January full moon falls on January 25. It's in Cancer and appears nearby the Beehive star cluster. It also closely follows the path of the sun in July.
The December full moon is called the Long Night Moon, Moon Before Yule, or Cold Moon. It crosses high in the sky, mimicking the June sun.
Have you ever seen the green flash from a setting sun? Learn how to see one here, plus how they appear, and enjoy some great photos and watch a video!
The November full moon will fall overnight on November 26-27, 2023. Bright Jupiter will be nearby. And the Pleiades star cluster will lie in the moon's glare.
Find the date and time of the Northern Hemisphere's full Hunter's Moon for October 2021, and learn why this moon brightens the evening for a string of days.
We know there is water ice on the moon. But a new study suggests there is less of it in the moon's permanently shadowed regions than we previously thought.
The August full moon occurs twice in 2023. Both are supermoons. The 1st full moon was August 1. The 2nd - also called a Blue Moon - is August 30-31.