archaeology2
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Ancient Peoples in Patagonia Who Adapted to Changing Climate Offer Insights for Today
Fish bones reveal the seasonal fishing patterns of Patagonians thousands of years ago, illustrating how prehistoric communities adapted to their environments.
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Melting Ice Reveals an Ancient Thriving Trade Route
Artifacts from a receding ice patch provide a glimpse of Iron Age and Viking activity along a mountain pass.
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Switch From Hunting to Herding Recorded in Ancient Pee
In a new study, scientists use urine salts to reconstruct the timing and scale of the Neolithic revolution at a Turkish archaeological site.
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Photo Essay: Seeking Humanity’s Roots
East Africa’s rift valley is considered by many to be the cradle of humanity. In the Turkana region of northwest Kenya, researchers Christopher Lepre and Tanzhuo Liu of Columbia University’s Lamont-Doherty Earth Observatory are cooperating with colleagues to study questions of human evolution, from the creation of the earliest stone tools to climate swings that…
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Seeking Humanity’s Roots
Who were our earliest ancestors? How and when did they evolve into modern humans? And how do we define “human,” anyway? Scientists are exploring Kenya’s Lake Turkana basin to help answer these questions.
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Scientists Discover World’s Oldest Stone Tools
Finds Challenge Ideas about Who Were the First Toolmakers
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Ancestors
We are high mountain people, hunters and artists, Our view from this base camp is brilliant and clear. Cold, thin air sweeps the rocky plateau; You need a strong heart to live here.
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The New World
On a man in the mountains, dusk falls; Shadows seep upward and spread. Scaling the black, chiseled walls, He silently seeks the dead.
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
