Pink Penguin Guano Provides Diet Clues
The pinkish orangey hues of Antarctica’s Danger Islands aren’t due to minerals in the rocks or lichens covering…
A Million-Panel Project – NASA Science
Historically, central Utah’s Castle Valley has been a coal hub, with mining operations on the slopes of the…
Shaping the Emerald City – NASA Science
Seattle, Washington—sometimes known as the “Emerald City”—was glimmering in the morning sunlight when an astronaut aboard the International…
Fans of the Arctic – NASA Science
Editor’s Note: Today’s story is the answer to the July Puzzler. Call it an alluvial face-off. On the southern…
July 2026 Satellite Puzzler – NASA Science
Every month, NASA Earth Observatory features a puzzling satellite image. The July 2026 puzzler appears above. Your ChallengeIdentify the location…
The World Cup From 250 Miles Up
In summer 2026, sixteen stadiums across North America hosted matches as part of the FIFA World Cup. Over…
Examining Algal Blooms in Blue Mesa
The summers of 2021 and 2022 were tough seasons for Colorado’s Blue Mesa Reservoir. A severe drought gripped…
A Turquoise Tint for the Black Sea
The Black Sea sits at the boundary between Europe and Asia and connects to the Mediterranean Sea via…
Playing the Moon Game – NASA Science
In preparing to visit the Moon’s surface, soon-to-be lunar explorers in NASA’s Apollo program first ventured into a…
Tropical Storm Arthur – NASA Science
Tropical Storm Arthur, the first named storm of the 2026 Atlantic hurricane season, brought high winds and heavy…
Tyndall’s Trail of Bergs – NASA Science
The Southern Patagonian Icefield is the largest expanse of ice in the Southern Hemisphere outside of Antarctica. The…
June 2026 Satellite Puzzler – NASA Science
Every month, NASA Earth Observatory features a puzzling satellite image. The June 2026 puzzler appears above. Your ChallengeIdentify the location…