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What’s a safe distance from a supernova for Earth?
What's a safe distance from a supernova? To survive a supernova, recent data says Earth would have to be at least 160 light-years away from the exploding star.
May 26, 2023
New supernova! M101 explosion is closest in a decade
An amateur astronomer discovered a new supernova in M101 (the Pinwheel Galaxy) on May 19, 2023. See stunning images of the explosion here.
May 26, 2023
World’s oldest human footprint identified in South Africa
Scientists have identified a footprint in South Africa as the oldest human footprint currently known. A member of Homo sapiens created it 153,000 years ago.
May 25, 2023
New Pillars of Creation and more: Video and images
NASA released a new Pillars of Creation image, a composite from Chandra and Webb. Plus more new images. And a video showing them all.
May 25, 2023
Weird comet in asteroid belt targeted by Webb
The Webb telescope has observed Comet Read, a weird comet in the main asteroid belt. Among the findings ... water vapor, yes. But carbon dioxide, no.
May 24, 2023
Moon near Venus, Mars, Castor, Pollux, Beehive on May 24
Watch for the waxing crescent moon near Venus, Castor, Pollux, Mars, and the Beehive star cluster on the evening of May 24, 2023. Beautiful!
May 24, 2023
Moon analemma over Egypt’s Great Pyramids
A moon analemma follows the path of the moon over the course of a lunar month. Read how to create a moon analemma here.
May 24, 2023
Media We Love: The Merlin Bird ID app
In this installment of Media We Love, EarthSky editor Kelly Kizer Whitt recommends the Merlin Bird ID app. It's a free app! Learn how it works here.
May 24, 2023
How wildfire smoke can harm your health, even from far away
Wildfire smoke can affect human health even from far away, taxing lungs and exacerbating existing health problems. Learn about how to reduce your risk.
May 24, 2023
How AI is helping astronomers
AI is helping astronomers process the staggering amounts of data they receive from observatories. It's even making new discoveries based on theoretical objects.
May 23, 2023
