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Seamounts and Abyssal Hills Mapped From Space
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Published April 1, 2025
Depictions of the seafloor derived from satellite data can improve underwater navigation and increase knowledge of how heat and life move around the world’s ocean.
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Spotting Disruptions to Earth’s Vegetation
Published March 11, 2025
Using NASA data, researchers can track vegetation changes around the planet, not just in forests but also in grasslands and savannas like the Brazilian Cerrado.
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What Was Behind Idalia’s Rapid Intensification?
Published March 10, 2025
A new analysis suggests that a large freshwater plume in the hurricane’s path helped fuel its extraordinary growth.
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Summer Heat Wave in South America
Published February 28, 2025
February 2025 was a scorcher, with record temperatures in parts of Brazil and notable heat in Argentina.
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Sweater Weather in North America
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Published February 20, 2025
Even with global temperatures well above normal in February 2025, a blast of frigid Arctic air spilled south into the central and eastern United States.
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Fuel for California Fires
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Published January 30, 2025
The buildup of vegetation and a rapid shift from wet to dry conditions played a role in the destructive blazes.
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2024 Was the Warmest Year on Record
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Published January 10, 2025
A NASA analysis shows that global temperatures in 2024 were 1.28 degrees Celsius (2.30 degrees Fahrenheit) above the agency’s 20th-century baseline.
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Cold and Snow Wallop the U.S.
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Published January 7, 2025
The first major, widespread winter storm of 2025 delivered snow, ice, and frigid temperatures to a large swath of the country.
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The Fast Fire Threat
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Published December 12, 2024
Two decades of satellite data show that the most destructive U.S. fires burn in grasslands and shrublands fanned by strong winds.
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