R/V Marcus G. Langseth
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Taking Science Education to the Seas With the 2025 School of Rock
Aboard the R/V Marcus G. Langseth, 13 teachers traveled from San Diego to the Galápagos Islands this summer, learning about oceanography and collaboration along the way.
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Happy Birthday, Marie Tharp!
State of the Planet celebrates the legacy of this history-making cartographer on what would be her 105th birthday.
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Seismic Study Reveals Hidden Megathrust Earthquake Risk off British Columbia
A new study has revealed the first detailed images of a newly developing subduction zone off the coast of British Columbia.
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Seismic Imaging Aboard the R/V Marcus G. Langseth
An introduction to seismic imaging and how the R/V Marcus G. Langseth uses it to make detailed maps of the seafloor.
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Happy Birthday, Marie Tharp!
State of the Planet celebrates the pioneering cartographer’s legacy on what would be her 104th birthday.
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Only 270 Million Square Kilometers to Go: The R/V Marcus G. Langseth Helps Map the World’s Oceans
For the first time in almost nine years, the R/V Marcus G. Langseth is back in New York City, stationed at the Brooklyn Navy Yard for some much-needed TLC. State of the Planet got a tour of this impressive seismic vessel, learning how it can help researchers forecast earthquakes and save lives in the process.
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Cascadia Subduction Zone, One of Earth’s Top Hazards, Comes Into Sharper Focus
Where tectonic plates collide off the coasts of the western United States and Canada, giant earthquakes and tsunamis occur. The last one was 324 years ago. When will be the next?
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Life Aboard the Langseth
Daily life on a research vessel is smaller and slower-paced — in a good way, for the most part.
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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
