Earth's Mantle
Tides Trigger Tiny Earthquakes Along the San Andreas Fault
The spring tides trigger small tremors deep in the fault, revealing the fault's structure
Diamonds Illuminate the Origins of Earth's Deepest Oceans
Crystals could be the key to where our water came from, and what that means for finding life on other planets
What Caused the 2011 D.C. Earthquake?
A thinning mantle led to the 5.8 magnitude shake in the Southeast, and more may be in store
A Decades-Long Quest to Drill Into Earth's Mantle May Soon Hit Pay Dirt
Geologists have had to contend with bad luck, budget cuts and the race to the moon in their efforts to drill deep into our planet
Largest Asteroid Crater Ever Discovered Underground in Australia
Deep in Earth’s mantle, scientists find evidence of a colossal impact that could reveal new information about Earth’s history
What We Can Learn by Digging Up the Secrets of Earth's Deep Carbon
Diamond computers and subsurface life are just some of the topics being investigated by scientists in the Deep Carbon Observatory network
There May Be a Second Massive Ocean Deep Beneath the Surface
Chemically bonded to minerals in the transition zone, Earth's mantle may be rather wet
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