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Deep in the mantle, a branching plume of intensely hot material appears to be the engine powering vast volcanic activity.
Scientists have begun to decipher the subtle signs that reveal how explosive a volcanic eruption is going to be.
About 60 million years ago, India plowed into Eurasia and pushed up the Himalayas. But when Lucía Pérez-Díaz reconstructed the event in detail, she found that its central mystery depended on a broken geological clock.
The new volcanic fissures are more otherworldly than they first appear.
New data indicating that Earth’s surface broke up about 3.2 billion years ago helps clarify how plate tectonics drove the evolution of complex life.
Small and cold, Mars has long been considered a dead planet. But a series of recent discoveries has forced scientists to rethink how recently its insides stopped churning — if they ever stopped at all.
An exercise in pure mathematics has led to a wide-ranging theory of how the world comes together.
The “pinball” model of a slipping fault line borrows from the mathematics of avalanches.
The paleontologist Pincelli Hull has nailed down the timing and speed of the extinction that killed off the dinosaurs — details that carry ominous warnings for today.
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