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Scientists discover 1st evidence of 4.5-billion-year-old 'proto-Earth' buried deep within our planet

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...
Ecological Society of AmericaOpinion

ESA Joins Day of Action to Save NASA Science

ESA Executive Director Catherine O’Riordan on the Hill Oct. 6, 2025 with American Geophysical Union President Brandon Jones.

We’re reaching Earth’s climate tipping points, and more are on the way

Shifts in Earth’s climate and ecosystems will have untold consequences for billions of people across the world.