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

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Mar. 29, 2024South Stack Lighthouse, Holyhead, Wales, UK
Postcard from the Canadian Rockies
Jul. 14, 2024Baia del Silenzio in Sestri Levante, Italy
Sep. 13, 2023Hemakuta Hill, Hampi
Dec. 20, 2025Christmas star lanterns, Germany
Feb. 1, 2024Polar bear, Churchill, Manitoba
Beauty by the bay
Mar. 25, 2024Happy Holi!
May 17, 2024Endangered Species Day
Apr. 21, 2024Cades Cove, Great Smoky Mountains National Park, Tennessee, USA
Nov. 21, 2024Aspen trees, British Columbia
Let’s go to the Ex!
Sep. 6, 2023Rethymno, Crete, Greece
A window to the Pacific
Oct. 21, 2024Cypress trees in George L. Smith State Park, Georgia, United States
Jan. 7, 2026Old Rock Day
Jan. 16, 2024Lake Louise, Banff National Park, Alberta, Canada
Apr. 27, 2024Leucistic Annas Hummingbird, California, USA
Bright blue lakes and rugged mountains
Sep. 23, 2023Nuit Blanche Toronto
Mar. 23, 2024World Meteorological Day
Bridging past and present
Aug. 6, 2024Molokini crater, Maui, Hawaii, USA
Mar. 11, 2026Peach trees in Cieza, Murcia, Spain
Oct. 10, 2023Mount Sopris, Colorado
Jan. 13, 2026Hen Galan
Stop and smell the Sakura
Jun. 3, 2024World Bicycle Day
Jul. 15, 2025Perseid meteor shower over Nevada
A pair of high achievers