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Visible planets and night sky guide for September
Marcy Curran
September 17, 2026
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Bruce McClure
September 17, 2026
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Future sea level rise: When, where, how much?
Scientists have grown more confident about sea level rise projections for the next few decades, but competing factors make it hard to see far into the future.
EarthSky Voices
July 28, 2021
1st moon-forming disk around an exoplanet
Astronomers have found solid evidence for a moon-forming disk around a distant exoplanet. It provides new clues as to how moons and planets form.
Paul Scott Anderson
July 27, 2021
Find Perseid and Delta Aquariid radiant points
Every late July and August, two excellent meteor showers overlap. Here's how to find the Perseid and Delta Aquariid radiant points.
Deborah Byrd
July 26, 2021
9 weird transients from 1950 still unexplained
Astronomers in Sweden want to solve the mystery of 9 weird transients, glimpsed in a photographic plate acquired at Palomar Observatory in 1950.
Paul Scott Anderson
July 25, 2021
Cracked surface of Venus behaves like sea ice
Venus' cracked surface suggests a moveable crust for this nearby world, and suggests the planet might still be geologically active today.
Paul Scott Anderson
July 25, 2021
Dinosaurs already in decline before asteroid?
Life was already getting harder for dinosaurs before an asteroid wiped them out.
EarthSky Voices
July 24, 2021
Full moon, Saturn, Jupiter July 23 to 26
The full moon, Jupiter, Saturn ... what could be better? Watch as they light the night from dusk until dawn on July 23 to 26, 2021.
Bruce McClure
July 23, 2021
Wildfire smoke blankets North American skies
Wildfire smoke from Canada and the western United States has blanketed North America this week. See photos and video.
Deborah Byrd
July 23, 2021
Mares’ tails over the Pacific Northwest
Mares' tails - aka cirrus uncinus clouds - are found high above Earth's surface, where the air is very cold. They might mean rain is on the way.
Editors of EarthSky
July 21, 2021
Jeff Bezos’ Blue Origin flight soars to the edge of space
Private spaceflight company Blue Origin has successfully launched its New Shepard rocket, with the company's founder, Jeff Bezos, aboard.
Lia De La Cruz
July 20, 2021
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