Happy International Astronomy Day! May 3, 2025

Happy International Astronomy Day!

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

May 3, 2018Nazar amulets, Goreme National Park, Cappadocia, Turkey
May 3, 2019A night of art and culture
May 3, 2020World Laughter Day—it s a hoot
May 3, 2021It s Teacher Appreciation Week
May 3, 2022Teacher Appreciation Day
May 3, 2023Wildebeests in Maasai Mara, Kenya
May 3, 2024The Sonoran Desert, Arizona

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Mar 28, 2025Black-naped monarch
Jan 30, 2018Watson Lake in Granite Dells, Arizona
Jul 25, 2023Laguna de Torrevieja, Spain
Sep 25, 2025Chittorgarh Fort, Rajasthan, India
Jan 13, 2023Giant kelp in the Channel Islands National Marine Sanctuary
Jun 24, 2021The call of the wild in Alaska
Jul 15, 2019Marine Day in Japan
Feb 18, 2018Great horned owl near Lake Tohopekaliga, Florida
Nov 25, 2018‘Ciao’ from Varenna
Feb 21, 2024Yosemite National Park, California
Dec 6, 2022Everglades National Park turns 75
Jan 13, 2021Strolling across the Red Lagoon
Jun 5, 2020By the light of the fireflies
Nov 21, 2023Gray seal pup, Norfolk, England
Sep 26, 2022Autumn in Alaska
Mar 5, 2018Seattle Central Library, Seattle, Washington
Mar 24, 201930 years after Exxon Valdez
Jan 3, 2023Sandhill cranes, Bosque del Apache National Wildlife Refuge
Oct 8, 2024World Octopus Day
Mar 24, 2023Wild garlic in bloom at Hainich National Park, Germany
Oct 3, 2023Whitehaven Beach, Whitsunday Island, Australia
Dec 27, 2019 Winterpret on ice
Feb 17, 2021The persistence of Perito Moreno
Jan 11, 2023Umschreibung by Olafur Eliasson in Munich
May 28, 2022Bungle Bungle Range in Purnululu National Park, Australia
Dec 1, 2023Antarctica Day
Nov 1, 2022Día de los Muertos celebrations in Mexico
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Apr 17, 2024Black bear cub emerging into spring