Earth Sciences147
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Deep Magmatic Plumbing of Mid-Ocean Ridges Revealed
New images suggest that the Earth’s lower oceanic crust is generated from multiple magma sources
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Study Reconciles Long-Standing Contradiction of Deep-Earth Dynamics
New databases give researchers a look into processes inside the Earth’s mantle
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Scientists Confirm Earth’s Inner Core Rotating Faster Than Rest of Planet
Scientists at Columbia University’s Lamont-Doherty Earth Observatory and the University of Illinois at Urbana-Champaign have ended a nine-year debate over whether the Earth’s inner core is undergoing changes that can be detected on a human timescale. Their work, which appears in the August 26 issue of the journal Science, measured differences in the time it…

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