
Earth
Scientists Say: Seismology
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
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Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.
Fin-whale calls are loud enough to penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.
Molten rock rising from the deep mantle at the Mid-Atlantic Ridge may drive plate tectonics there more than had been expected.
Spelunkers aren’t the only people to find caves interesting. So do paleontologists. Though getting to work may be harrowing, they find it’s worth it.
A forest flourished within 1,000 kilometers of the South Pole. That was a while ago, as in millions of years ago.
New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.
Explore the sizzling heat, unimaginable pressures — and some surprise diamonds — that sit beneath our feet. This is the side of Earth that you can’t see.
Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.