Happy International Astronomy Day! May 3, 2025

Ever wondered what Saturn"s rings look like through a telescope? Or how astronomers spot distant galaxies? International Astronomy Day is the perfect time to find out! This annual event, first launched in 1973, is all about "Bringing Astronomy to the People"—the official theme of Astronomy Day. From local parks to astronomy clubs, museums and observatories, visitors can enjoy activities like telescope viewings, space talks and even Moon gravity simulators!

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Today in History

The animal kingdoms great migration
This lesson is going swimmingly
May 3, 2024The Sonoran Desert, Arizona, USA
May 3, 2026International Leopard Day

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Apr. 10, 2026Siblings Day
Oct. 16, 2024Fossils of belemnites and ammonites, Jurassic Coast, UK
Dec. 30, 2023Daiichi Tadami River Bridge, Fukushima, Japan
Jul. 5, 2025Tour de France
Sep. 10, 2024Vasco da Gama Bridge, Lisbon, Portugal
Pretty in pink
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Aug 22, 2026Common blue butterfly
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Apr. 28, 2026Spectacled bear resting in tree, Ecuador
Mar. 17, 2024St. Patricks Day
Jun. 24, 2025Delicate Arch, Arches National Park, Utah, United States
Jul. 6, 2025Mesquite Flat Sand Dunes in Death Valley National Park, United States
Feb. 18, 2025The Great Blue Hole, Belize
Sep. 14, 2023Przewalskis horses, Hustai National Park, Mongolia
Apr. 8, 2024Total solar eclipse
A bridge that holds up history
Feb. 11, 2026Death Valley National Park, California, United States
Oct. 22, 2024Palazzo Zuccari, Rome
City of ice
Stairway to where?
History awaits atop the hill
Today, a nation was born
Paddle power
When life imitates art
High above the Aegean Sea
Oct. 24, 2024Bodie State Historic Park, California, United States
This blue succulent is as good as gold here
Aug. 28, 2024Paralympic Games begin in Paris
Dec. 8, 2024Notre-Dame reopens