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Teaching Earth’s spheres can feel abstract, especially when students are trying to picture how rocks form, how landscapes shift, and how living things interact with the ground bene...
When students learn about Earth’s spheres, they’re learning to see the planet as a system rather than a collection of separate facts. The atmosphere, hydrosphere, geosphere, and bi...
The Earth’s biosphere is the sphere that students are already part of, making it a great anchor for teaching Earth’s systems. Every organism on the planet, from the bacteria in......
Building Earth is a new interactive map that explains how the Earth's climate has developed over millions of years through the lens of physics. The map strips the planet back to it...
Our planet's liquid iron outer core is slowly giving up its secrets to a trio of satellites launched by ESA in 2013. Called Swarm, the three probes have been studying Earth's magne...
Getting carbon and sulfur into Earth’s interior may be part of oxygen’s story.
Four humans recently looped around the moon. Their vessel, an Artemis capsule, was a thin metal shell whose life-support system kept them alive: it provided a carefully balanced at...
Architecture can no longer be conceived as an isolated object, detached from the technical networks that sustain contemporary life — a condition that calls for new readings and app...
Aynsley Kretschmar, a soon-to-be graduate of the M.A. in Climate and Society program, reflects on the skills she’s gained from her time at Columbia, as well as what she’s most exci...
New research shows that Earth formed from inner Solar System material. Isotopic geochemistry analysis found no evidence that material from beyond Jupiter contributed to Earth's bul...
"Our results shed new light on the formation history of our Earth and the other rocky planets."
Deep within Earth, subtle variations in how seismic waves travel are revealing a hidden pattern of deformation in the planet’s lowest mantle layer. Deep beneath our feet, Earth’s m...
Our Solar System is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between the stars. On its path, Earth continuously accumulates i...
Once again, we honor Earth Day by sharing some amazing photos celebrating the beauty and magic of our planet, as captured by the Columbia community.
This short post was prompted by the many news reports celebrating Sir David Attenborough, now 100, as being the calm, trusted voice of the natural world. Over the years it has been...
We have left the Holocene and entered a new epoch, the Anthropocene, in which the biosphere is rapidly changing due to human activities. We do not need to decide to address these...
About a billion years ago, Earth started to come into its own. It was past the awkwardness of its younger years full of growing pains and turmoil: comet strikes and slimy water, in...
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