A vast grid of surface detectors is revealing Earth’s hidden insides.
Geologists study earthquake risk in a crowded country.
How a deep-drilling experiment is fighting climate change.
Scientists analyze ancient glaciers to understand climate change today.
Scientists map Port-au-Prince's earthquake zone in detail.
Volcanologists keep wary watch on Sicily's restless peak.
Ancient crystals reveal Earth's earliest era.
An innovative twin-satellite mission is watching water move across our blue planet.
Hot times in Earth's past lend insight to future warming.
A new hypothesis of mountain growth challenges plate tectonics.