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!

© Adventure_Photo/Getty Images

palette

Today in History

The animal kingdoms great migration
This lesson is going swimmingly
May 3, 2024The Sonoran Desert, Arizona, US

More Desktop Wallpapers:

Mar 22, 2026World Water Day
Dec 4, 2023Masai Mara National Reserve, Kenya
Blurring the lines with wearable art
Apr 12, 2024Arches National Park, Utah, USA
Jul 21, 2025Staghorn coral in shallow ocean
Go fly a kite!
Aug 27, 2024Young black caiman, Tambopata National Reserve, Peru
So fresh, so clean
Apr 22, 2024Earth Day
Revered ruins
Oct 19, 2025Apples ready for harvest, Minnesota, United States
Jan 21, 2025Eurasian red squirrel
Feb 15, 2025The natural ice wall of Misotsuchi, Chichibu, Japan
Aug 13, 2025Corona Arch near Moab, Utah, United States
Nov 16, 2025A traboule in Lyon, France
Feb 6, 20262026 Winter Olympics
Mar 26, 2025Manatee in Crystal River, Florida, United States
Jul 27, 2025Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
Will we be ready for the ‘big one?’
Dec 13, 2025Merced River, Yosemite National Park, California, United States
Apr 2, 2026Wildflower bloom, Central Valley, California, United States
Dec 17, 2023Bohemian waxwings
Oct 29, 2024Great horned owl
Aug 25, 2024Golconda Fort in Hyderabad, Telangana
Apr 1, 2024Palazzo Farnese, Rome, Italy
Pick your paradise
Winter wonderland for your wallet
Mar 8, 2025International Womens Day
Feb 13, 2026Third Thai-Lao Friendship Bridge connecting Laos and Thailand
World Hippo Day, a giant celebration