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July Puzzler
Update on August 3, 2023: This puzzler image shows Windpark Fryslân, the world’s largest freshwater wind farm, located in the Netherlands. Congratulations to Emeric for being the first reader to...
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August Puzzler
Update on September 5, 2023: This puzzler image shows Lake Dalaroo and clusters of “fairy circles” that seep hydrogen gas near the town of Moora in Western Australia. Congratulations to Ian Cathcart...
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September Puzzler
Update on September 26, 2023: This puzzler image shows an ephemeral arc spanning a fjord in Greenland. It may have been caused by a wave from a calving iceberg or an underwater plume of freshwater...
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October Puzzler
Update on October 31, 2023: This puzzler image shows Trou au Natron, a deep caldera and soda lake in northern Chad. Congratulations to Warren Hansen for being the first to correctly identify the...
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November Puzzler
Update on November 27, 2023: This false color image shows the terminus of southeastern Alaska’s Malaspina Glacier, the largest piedmont glacier in the world. Congratulations to Juan Antolin Arnau for...
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December Puzzler
Every month on Earth Matters, we offer a puzzling satellite image. The December 2023 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking...
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January Puzzler
Every month on Earth Matters, we offer a puzzling satellite image. The January 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking...
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February Puzzler
Every month on Earth Matters, we offer a puzzling satellite image. The February 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking...
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Eclipse Challenge: Clouds and Our Solar-Powered Earth
Energy from the Sun warms our planet, and changes in sunlight can also cause changes in temperature, clouds, and wind. Clouds are ever changing and give you clues and information on what is happening...
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March Puzzler
Every month on Earth Matters, we offer a puzzling satellite image. The March 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking at,...
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