The global mid-ocean ridge, with a total length over 65,000 km, is the longest volcanic chain on Earth. Hot magmas are extracted from the upwelling asthenosphere beneath the ridge axis to produce ...

Far beneath the surface of the Atlantic Ocean, Earth’s crust is slowly pulling apart. This process, known as seafloor spreading, occurs along mid-ocean ridges, where tectonic plates move apart, and ...

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A recent executive order would accelerate mining in little-understood undersea ecosystems. By Rebecca Dzombak Max Bearak and Harry Stevens Life at the bottom of the Pacific Ocean is slow, dark and ...