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Climate has shifted axis of Earth, says study
New research suggests that loss of water on land through ice melting and human-caused factors is changing the movement of Earth's North and South Poles.
April 28, 2021
Photos of the supermoon, April 2021
The first of 2 spring supermoons in 2021 took place on April 26 or 27 (depending on your location on Earth). We received many wonderful submissions from you, our readers. Here's a gallery of some favorites. Thanks to all who submitted!
April 27, 2021
See 2 black holes in cosmic dance
NASA has released a cool new visualization showing two massive black holes orbiting each other in a stunning display of light. The intense gravity and other phenomena all play a part in producing this mesmerizing display. Watch here.
April 27, 2021
Lyrid meteor and Milky Way over Sedona
The expanse of the Milky Way is punctured by a Lyrid meteor in this incredible photograph taken from Sedona, Arizona, by Cecilia Ray.
April 27, 2021
Expect flooding from this week’s supermoon, but know a lunar cycle masks effects of sea level rise
The April 2021 supermoon and the lunar nodal cycle, explained.
April 26, 2021
Check out this week’s asteroid impact exercise
Follow the action as asteroid scientists, space agencies and civil protection organizations participate in a drill - simulating an asteroid impact about to happen - during this week's virtual Planetary Defense Conference.
April 26, 2021
Year’s 1st supermoon on April 26-27
The April 2021 full moon presents the first of a "season" of 3-straight full moon supermoons. April's supermoon is the 2nd closest full moon supermoon of the year.
April 25, 2021
When is the next tide? Recommended almanacs here
The EarthSky-recommended tide almanacs listed here are based on astronomical influences on the tides. They'll help you in finding the next high and low tides.
April 25, 2021
Moon near star Spica on April 25
From around the world tonight, use the waxing gibbous moon to locate Spica, the brightest star in the constellation Virgo the Maiden.
April 25, 2021
More than 5,000 tons of space dust fall to Earth each year
Dust shed from comets and asteroids constantly rains down on our planet. How much of this extraterrestrial material lands on Earth’s surface?
April 24, 2021
