Lamont-Doherty Earth Observatory32
-
Balancing Act: Can Precariously Perched Boulders Signal New York’s Earthquake Risk?
Long ago, melting glaciers dropped giant boulders onto surfaces in the New York City exurbs, and many seem to remain in their original, delicately balanced positions. Can they be used to judge the maximum sizes of past earthquakes?
-
Heat Waves: Climate School Experts Available to Comment
Hundreds of people have lost their lives in Spain and Portugal due to a heat wave that is moving north and east.
-
More Frequent European Heat Waves Linked to Changes in Jet Stream
A new study shows that weather systems that normally cool part of the continent are being diverted northward. This is combining with overall warming to produce long-lived heat waves.
-
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.
-
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.
-
Seeing Through the Sea
How researchers are plumbing the seafloor during a quest to understand ‘silent’ earthquakes off the Mexican coast.
-
Life Aboard the Langseth
Daily life on a research vessel is smaller and slower-paced — in a good way, for the most part.
-
What’s Causing the Devastating Floods in China, India, and Bangladesh?
Climate School experts explain the conditions contributing to heavy downpours that are displacing millions in Asia.
-
Working the Night Shift on the R/V Marcus Langseth
When you work 4am to 12pm on a research vessel, you get to watch some beautiful sunrises and eat breakfast for lunch every day.
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
