Buried buildings subtly distort natural magnetic fields, providing a magnetic surveying team with clues that helped archaeologists map an ancient city.
cool tools
Posted inNews
NASA Space Telescope Spots Its Third Planet
A planet 3 times as large as the Earth was detected by the Transiting Exoplanet Survey Satellite in a relatively leisurely orbit—the longest yet detected by this telescope—of 36 days.
Posted inResearch Spotlights
A New Tool for Studying Volcanic Eruptions Like Kīlauea
A new study sheds light on how magma erodes the conduit it flows through.
Posted inNews
Watch Tiny Cracks Travel in 3-D
Scientists used a transparent gel and high-speed photography to figure out how cracks form and spread. What they found could help explain earthquakes and fracturing glaciers.
Posted inNews
Meet IceWorm: NASA’s New Ice-Climbing Robot
A robot that can inch up icy surfaces may help scientists reach new heights in some of Earth’s most dangerous and remote landscapes.
Posted inScience Updates
Universal Units Reflect Their Earthly Origins
On Friday, the kilogram will join its fellow metric units with a definition based on fundamental physical constants, but these units maintain links to their roots in the geosciences.
Posted inScience Updates
Deep Floats Reveal Complex Ocean Circulation Patterns
Acoustically tracked floats drift far below the ocean’s surface, providing fresh discoveries about deep-sea currents. A new archive gathers decades’ worth of float data into a central repository.
Posted inEditors' Highlights
Dropsondes Reveal Atmospheric Boundary Layers Over Antarctic
636 high-resolution dropsondes reveal four types of atmospheric boundary layer over the Antarctic, including well-mixed and convective types.
Posted inScience Updates
Digging Deep into Geosciences with Minecraft
Building volcanoes, caves, and other features in an “open-world” computer game is an engaging way to teach the next generation about Earth.
Posted inFeatures
Lessons from Mexico’s Earthquake Early Warning System
The devastating 2017 Puebla quake provides an opportunity to assess how citizens perceive and use the Mexico City earthquake early warning system.