The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...
Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.
During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...
Geodynamics : the unanswered questions / A.L. Hales -- A global geochemical model for the evolution of the mantle / D.L. Anderson -- Temperature profiles in the earth / O.L. Anderson -- The structure, ...
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