The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.
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El Niño Varies More Intensely Now Than in the Past Millennium
Researchers found evidence for a strengthening El Niño in living and fossilized Galápagos corals.
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New Crowdsourced Science Project Will Study Sprites
The NASA-funded project is asking sky gazers, storm chasers, and scientists to capture photos of sprites and other optical phenomena that flash above thunderclouds after a lightning strike.
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Social Media Posts Reveal Human Responses to Deadly Tongan Eruption
Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.
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Leaves Are Springing Up Earlier Along the Appalachian Trail
Satellite images of lustrous new leaves reveal changes that will have cascading effects on diverse ecosystems in the eastern United States.
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Third-Wettest Year in Arctic Wraps Up
The annual Arctic Report Card charts the rise in rain in northern latitudes and serves as a new “vital sign” of the region’s shifting climate.
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NASA’s Perseverance Rover Records the First Sounds of a Dust Devil on Mars
In a stroke of luck, the SuperCam microphone on Perseverance was turned on the moment a dust devil swept directly over the rover.
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Mission Could Lasso Amino Acids from the Icy Plumes of Enceladus
If geysers from Saturn’s moon Enceladus contain amino acids, new research shows that a spacecraft could collect them with signatures of possible life preserved.
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Geohazard Education Trainings Foster Resilience in Rural Alaska
National Science Foundation-funded teacher and community workshops boost disaster preparedness optimism among coastal Alaskan educators, whose communities face an array of natural hazards.
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Were Impressionist Masters Painting a Polluted Reality?
Image analysis suggests that artists’ styles evolved in sync with increasing air pollution during the Industrial Revolution.