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Sun news for May 7, 2024. X4.5 flare! Region AR3663 has had a week of high activity. Today is no exception as it finally approaches the horizon. What's next?
Ring the fish doorbell to help fish migrating to their spawning grounds! The fish are stuck behind a lock in the Netherlands, but you can help.
The Liujiang skeleton, a significant fossil in understanding early modern humans in East Asia, has been aged at 33,000 to 23,000 years old.
Visible planets and night sky guide for May 2024. It is the perfect time for stargazing under dark skies. The new moon won't interfere.
The 1st crewed Boeing Starliner launch to the International Space Station was postponed on Monday due to a rocket issue. Get updates here.
Otters are cute, fluffy, smart and good swimmers. Have you fallen in love with them yet? Here are some interesting facts about them.
NASA's Webb telescope has mapped the weather on WASP-43 b, a hot Jupiter exoplanet 283 light-years away. It's blistering hot with 5,000-mile-per-hour winds.
Alan Shepard became the 1st American in space on May 5, 1961. His suborbital flight took place just 3 weeks after the Soviet Union's Yuri Gagarin orbited Earth.
Learn more about beautiful von Kármán vortices, a swirling pattern of clouds seen in satellite images. They occur when flowing fluid is disturbed by an object.
May's Eta Aquariid meteor shower is good over several mornings. But the best time is on May 5 and 6, 2024, in the hours before dawn.
The famous comet Halley spawns both the May Eta Aquariid meteor shower and the October Orionid meteor shower. It'll return to the inner solar system in 2061.
Tyrannosaurus rex dinosaurs had huge skulls, but does that imply they were very smart? Were they as intelligent as monkeys? Crocodiles?
Brazil floods have inundated the state of Rio Grande do Sul, with houses washed away and rescues ongoing. See more about this and other floods.
Mammatus clouds look like bubbling, low-hanging clouds. They're often associated with thunderstorms. Learn more about them here and see photos.
NASA's Webb telescope looked at the sub-Neptune exoplanet K2-18 b. It found methane, carbon dioxide, a possible ocean, and even ... maybe ... a biosignature.
New experiments show that methane on Mars, in Gale crater, may seep out of the ground when hard crusts of perchlorate salt temporarily warm up and weaken.
Mercury reaches its greatest elongation - greatest distance from the sunrise - on May 9, 2024. Look east at dawn. It'll brighten for the next few weeks.
Martian spiders? Inca City? Both geologic features on Mars. The European Space Agency (ESA) just released new images of them. Take a look!
Enjoy this gallery of deep-sky photos for April 2024 from our EarthSky community. And if you have a great photo to share, send it in. We love to see them!
Happy May Day! This annual celebration has its roots in astronomy as 1 of 4 cross-quarter days. Dancing around a maypole is a traditional May Day celebration.