Thursday, December 4, 2025

New Research Could Explain Why Earth has Active Tectonics and Venus Does Not

The Quetzalpetlatl Corona, located in Venus’ southern hemisphere, depicts active volcanism and a subduction zone, where the foreground crust plunges into the planet’s interior. Credit: NASA/JPL-Caltech/Peter Rubin

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets. Using advanced numerical models, the team systematically classified for the first time six distinct planetary tectonic regimes and identified a novel regime: the "episodic-squishy lid."



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