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September 8, 2025, marked the 25th anniversary of the Earth Science Picture of the Day (EPOD); a milestone we couldn’t imagine when EPOD was conceived back in 2000. Our first ‘photo’ was actually a NASA satellite image. See below. It...
This EPOD was originally published September 21, 2010 Photographer: Mike Passow Summary Authors: Mike Passow; Jim Foster The photo above shows a close-up view of the impressive Iguassu Falls on the border of Brazil and Argentina. These amazing falls occur...
This EPOD was originally published September 18, 2010 Photographer: Don G. Lambert Summary Author: Don G. Lambert The photo pair above shows a spicebush swallowtail (Papilio troilus) at left and a pipevine swallowtail (Battus philenor) butterfly at right. Note that...
Photographer: Egidio Vergani Summary Authors: Egidio Vergani; Jim Foster Shown above are conspicuous crepuscular rays streaming through gaps in the cumulus clouds at the bottom of the photo. The darkened lanes are shadows -- cloud turrets are blocking the sunlight...
Photographer: John Kupersmith Summary Author: John Kupersmith This photo shows a volcanic dike (intrusion of igneous rock) emerging through the weathered granite of the Alabama Hills, with the Sierra Nevada range in the background. Dikes such as this one are...
Photographer: Paul Covili; Barbara Kent Lawrence Summary Authors: Barbara Kent Lawrence, Jim Foster The photo above showing a memorable 22 degree halo was snapped from a cottage on Hodgdon Pond Farm on Mount Desert Island, Maine. Circular halos such as...
Photographer: Meiying Lee Summary Author: Meiying Lee During an auroral outburst, the richness of colors and the ever-changing forms go far beyond what the naked eye can perceive. No single camera can fully capture its entirety. These two images were...
Photographer: Thomas McGuire Summary Author: Thomas McGuire Many people are familiar with the large figures and geometric patterns on the Nazca Plain in the Atacama Desert of southern Peru. Lesser-known are the ancient Blythe Intaglios geoglyphs found in the desert...
Photographer: Ondrej Králik Summary Author: Ondrej Králik At first glance, the night sky seems silent, only cold and darkness with a few scattered points of light. But when you look more closely, through the sensitive eye of a camera, for...
Photographer: Josh Dury Summary Authors: Josh Dury; Jim Foster Featured above is a stunning parhelic circle I captured with a fisheye lens during the afternoon of May 7, 2025, above Somerset, England. The smaller circle at bottom center is a...