Cañon Fiord’s Whirling Waters – NASA Science
For most of the year, ice blankets the waterways of the northern Canadian Arctic Archipelago. But during the…
Eruption at Mayon – NASA Science
At any given moment, about 20 volcanoes on Earth are actively erupting. Often among them is Mayon—the most active volcano…
Dust Outbreak Reaches Europe – NASA Science
Winter winds lofted clouds of dust from the Sahara Desert, carrying it north toward the Mediterranean and dispersing…
March 2026 Satellite Puzzler – NASA Science
Every month, NASA Earth Observatory features a puzzling satellite image. The March 2026 puzzler appears above. Your ChallengeIdentify…
A Most Unusual Lake – NASA Science
Scientists estimate that Earth is home to more than 100 million lakes. Among the most unusual is Lake…
Lake Coatepeque – NASA Science
Just inland from the Pacific coast of El Salvador, the striking blue waters of Lake Coatepeque fill part…
Shades of a Lunar Eclipse
On March 3, 2026, Earth lined up directly between the Moon and the Sun, casting its shadow on…
A Little Town with a Long Name
On the southeastern coast of Anglesey, an island off the coast of mainland Wales, lies a little town…
Ailing “Megaberg” Sparks Surge of Microscopic Life
Iceberg A-23A has had a more eventful run than most of the large Antarctic icebergs that have calved…
Searching for Selenite – NASA Science
Dating back centuries, salt-crusted plains in present-day Oklahoma held great value to native tribes and, later, to homesteaders.…
Scoria Cones on Earth and Mars
Since the 1970s, planetary geologists have known that volcanic features cover large swaths of Mars. Early Mariner 9…
Chesapeake Bay Locked in Ice
Residents of the U.S. Mid-Atlantic endured a formidable winter in 2025-2026, marked by several high-impact storms and prolonged…