The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...
Every other Friday, the Outside/In team answers a listener question about the natural world. This week’s question comes from Emily in Washington, DC. Crawford Lake in Milton, Ontario. The answer to ...
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️ Earth has its own geological clock
A study published in the journal Communications Earth & Environment reveals the existence of a 60-million-year cycle combining tectonics, biogeochemistry, and marine biodiversity. By analyzing ...
NHMAIN copy has bookplate: Smithsonian Institution Libraries, Gift of Alan R. Kabat. "The Anthropocene, a term launched into public debate by Nobel Prize winner Paul Crutzen, has been used informally ...
Earth's 4.5 billion year geological history is full of death and rebirth, mass extinctions and explosions of biodiversity, with different periods often marked by cataclysmic changes that radically ...
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