Earth Sciences7
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Was It an Alien Spacecraft—Or a Delivery Truck?
A Harvard astronomer says a meteor came from beyond our solar system. A new study questions whether his data includes a more obvious explanation.
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Key Ocean Current Contains a Warning on Climate
A new study shows that a giant current circling Antarctica has speeded up during past warm periods, eating away at the polar ice. It’s doing it again now.
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Repairing Tectonic GNSS in Bangladesh’s Tea Region
The remainder of my fieldwork focuses on the GNSS (the general term for GPS) instruments in eastern Bangladesh to study the tectonics and earthquake hazard.
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Girl Talk Is Making Waves
In honor of International Women’s Day, we highlight a new workshop that engages women of all backgrounds in ocean sciences.
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Stickiness in Glacial Space and Time
What role do ice and glacial melt play in modern society? Icelandic anthropologist Gísli Pálsson reflects on a recent article that examines this question.
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Can ‘Super Volcanoes’ Cool the Earth in a Major Way? A New Study Suggests No.
An extended volcanic winter could have huge impacts on all living creatures. But could this really happen?
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High in a Cloud Forest, Tapping Into the Breathing of a Volcanic Beast
On Costa Rica’s active Poás volcano, scientists install geophysical instruments that can monitor the underground in real time.
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Science for the Planet: Sinking Seaweed for Sequestration
This second video for Science for the Planet series explores the idea of sinking sargassum seaweed deep in the ocean, taking carbon with it.
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A Volcanic Explosion 520,000 Years Ago Dwarfed One That Devastated the Minoan Civilization
An undersea eruption a half million years ago was much larger than nearly anything recorded in human time.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
