New research shows how fast the sands shift on the Red Planet and how useful imagery from different orbiting cameras can be in studies of Mars’s dunes.
satellite imagery
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River Ice Is Disappearing
Over the past 3 decades, the persistence of river ice has decreased by almost a week. The decrease in ice has important implications for ecology, climate, and the economy.
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Rolling Rocks Reveal Recent Moonquakes
Using satellite images of the lunar surface, scientists find trails left by boulders shaken loose by seismic activity.
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Artificial Intelligence Can Spot Plankton from Space
Training an algorithm with satellite images of ocean color reveals the blooms and busts of phytoplankton communities.
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The Cassini Mission May Be Over, but New Discoveries Abound
New analysis of high-resolution images shows ring textures and disruptions within Saturn’s rings in unprecedented detail.
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Mysterious Coral Reef Halos Can Be Seen from Space
Grazing rings around reefs have the potential to be used as a tool for monitoring reef health, but first, scientists have to figure out what factors govern halo size differences.
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Satellite Imagery Reveals Plastic Garbage in the Ocean
Using high-resolution satellite data, scientists pinpoint discarded plastics floating off the coasts of Canada and Scotland.
Posted inResearch Spotlights
A New Way to Analyze Evidence of Martian Oceans
Mars’s aqueous past holds the answers to many questions about the Red Planet. A new study provides a tool for scouring planetary surfaces for ancient shorelines.
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Pluto’s and Charon’s Craters Reveal a Solar System Deficit
The New Horizons spacecraft recorded images of craters that imply an unexpected dearth of small objects in the Kuiper Belt.
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Varying Impact of Earthquake- and Monsoon-Induced Landslides
Using nearly 50 years of satellite data and records stretching back millennia, scientists determine the relative frequency—and the erosional power—of monsoon- and earthquake-induced landslides in Nepal.