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, US
May 3, 2026International Leopard Day

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Oct 15, 2025Amethyst laccaria mushrooms, Seabeck, Washington, United States
Sep 4, 2023Whale shark, Ningaloo Reef, Western Australia
Jun 13, 2026Badlands National Park, South Dakota, United States
Jul 27, 2025Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
Bridging past and present
On the open ocean road
May 27, 2026World Otter Day
Apr 13, 2026International Dark Sky Week
Dec 6, 2025Everglades National Park, Florida, United States
Apr 29, 2025Garden at Château de Villandry, Loire Valley, France
Dec 6, 2024Finnish Independence Day
Back to the future
Dec 15, 2025Spiegelgracht canal in Amsterdam, Netherlands
Dec 6, 2023Palolem beach, Goa, India
Apr 1, 2026The Great Stupa at Sanchi, Madhya Pradesh
Jul 15, 2024Marine Day, Japan
Jul 11, 2025World Population Day
Dec 18, 2025Virupaksha Temple, Hampi, Karnataka
A sea of humanity
Beauty by the bay
Jan 27, 2024Northern hawk owl
Sep 8, 2024International Literacy Day
Oct 19, 2025Apples ready for harvest, Minnesota, United States
Desert daggers?
Oct 24, 2023Vijayadashami
Jul 7, 2026Plate-billed mountain toucan with orchids, Ecuador
Nov 30, 2024Male white rhinoceroses, Lake Nakuru, Kenya
Apr 15, 2024Centraal Station, Antwerp, Belgium
Sep 26, 2025Least chipmunk, Kootenai National Forest, Montana, United States
Mar 29, 2026Peggys Point Lighthouse, Atlantic Coast, Nova Scotia, Canada