The Earth hums, and scientists have for the first time recorded the sound in the ocean. Using seismometers in the Indian Ocean, researchers picked up on the sound that is way, way too low for mere ...

A new way to analyse seismic vibrations is bringing order out of noise to help predict volcanic eruptions or create detailed images of Earth's interior. Rachel Courtland reports. Seismologists like ...

Scientists on Wednesday unveiled evidence that gravitational waves, the ripples in the fabric of space-time predicted by Albert Einstein more than a century ago, are permeating the universe at low ...