An analysis of a seismic and gravity anomaly discovered in the middle mantle sheds new light on ancient oceans, the mantle's evolution, and ancient magmatism in the Arctic.
gravity
Posted inNews
Seeing the Gravitational Waves, Despite the Seismic Waves
For detectors to sense the minute jolt of a gravitational wave announced last week, savvy geophysicists and engineers had to keep Earth's tiniest jiggles from reaching ultrasensitive instruments.
Posted inResearch Spotlights
Human Actions Affect Greenland Ice Sheet Surface Mass Balance
Scientists address human-driven trends in the Greenland Ice Sheet surface mass balance.
Posted inResearch Spotlights
Role of Lunar Atmospheric Tides in Thermosphere Density
Researchers explored how lunar gravity affects the density of the thermosphere. The study could help improve the accuracy of satellite orbit predictions.