Press Release14
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Dinosaurs Took Over Amid Ice, Not Warmth, Says a New Study of Ancient Mass Extinction
There is new evidence that ancient high latitudes, to which early dinosaurs were largely relegated, regularly froze over, and that the creatures adapted—an apparent key to their later dominance.
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Tropical Cyclones Are Dropping in Number, Study Says
Using historical records and model data, researchers have for the first time shown that the annual number of tropical cyclones dropped during the 20th century compared with the late 19th century.
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Biennial Index Finds the World Is Lagging on Environmental and Climate Goals
A handful of countries, including the United States, may emit half the world’s greenhouse gases by 2050.
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Community-Led Science Uncovers High Air Pollution From Fracking in Ohio County
In a collaboration that included Columbia researchers, Belmont County residents set up a low-cost sensor network that is helping them fight for clean air.
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Study Establishes Key Areas for Tiger Movement in Central India
By mapping out overlapping areas identified as tiger corridors in previous studies, researchers hope to send a clear and cohesive message on which areas are most important for conservation.
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In Sediments Below Antarctic Ice, Scientists Discover a Giant Groundwater System
For the first time, scientists have mapped in detail water locked in a deep basin far under the Antarctic ice. The discovery could have implications for how the continent reacts to, or even contributes to, climate change.
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Regrown Tropical Forests May Have Short Lifespans, Says New Study
Forest cover in many tropical regions increased in recent decades, but a new study suggests that much of the regenerated area is re-cleared within a few years, which could limit biodiversity and carbon storage benefits.
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Water Content Controls the Depth of Magma Storage Under Many Volcanoes, Says Study
Research into volcanoes in the Aleutian Islands and elsewhere overturns the conventional understanding of what controls the depth at which rising magma is stored.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!

