Earth
Sun
Sun news: A coronal hole set to blow wind our way
Sun news April 3, 2025. A coronal hole may soon blast Earth with its fast solar wind and bring geomagnetic activity to our planet.
April 3, 2025
Space
Alien life? Mammoth new telescope could find it in hours
The upcoming Extremely Large Telescope could revolutionize the search for alien life, analyzing the atmospheres of nearby "Earth-like" planets in only hours.
April 2, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for April
Visible planets and night sky guide. Tonight, look for the crescent moon near Jupiter, with bright stars Capella, Betelgeuse, and Aldebaran surrounding it.
April 2, 2025
Earth
Great white sharks in False Bay vanished. What happened?
The disappearance of great white sharks from False Bay, South Africa, in mid-2018 resulted in significant changes in the local marine food chain.
April 2, 2025
Today's Image
See the best deep-sky photos of March 2025 here
Enjoy this gallery of deep-sky photos for March 2025 from our EarthSky community. If you have a great photo to share, send it in, too. We love to see them!
April 2, 2025
Tonight
Star-hop from Orion to Sirius, before they go!
Star-hopping is going from stars you know to stars you don't know. Star-hop from the constellation Orion to Sirius, sky's brightest star, before they're gone.
April 2, 2025
Earth
Human World
The April birthstone is the diamond, the hardest known gem
Happy birthday, April babies! The April birthstone, the diamond, is the hardest of the known gems. And it's a popular choice for engagement rings.
April 1, 2025
Space
Massive collision created Mercury, new theory suggests
Researchers might have solved the mystery of Mercury's origin. They say Mercury formed from a huge collision between 2 similarly-sized rocky bodies.
March 31, 2025
Earth
This amazing hummingbird chick looks like a caterpillar
Hummingbirds might be small, but they can have strong defense mechanisms. One hummingbird species is born with feathers resembling dangerous caterpillar hair.
March 31, 2025
Today's Image
Partial solar eclipse pics that you’ll love. See them here!
See some beautiful partial solar eclipse pics from March 29, 2025, thanks to our global EarthSky community! Did you take a pic? Submit it to us!
March 31, 2025
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