New evidence from deep mantle plumes suggests that Earth’s liquid outer core might be leaking tungsten isotopes into the lower mantle.
Earth’s core
Posted inEditors' Highlights
Most Southern California Mainshocks Follow Foreshocks
New research using a highly complete earthquake catalog shows that 72% of M4+ mainshocks are preceded by foreshocks, implying that foreshock activity is much more prevalent than previously thought.
Posted inEditors' Highlights
Hiding Deep Hydrous Melts at the Core-Mantle Boundary
Silicate melts containing H2O in the lowermost mantle are surprisingly dense and may stagnate there, trapping primordial volatiles and potentially causing some of the ultra-low velocity zones.
Posted inNews
New Model Shines Spotlight on Geomagnetic Jerks
Scientists get one step closer to being able to predict jerks—notoriously capricious changes to Earth’s geomagnetic field detectable by satellites.
Posted inNews
Paleomagnetic Data Hint at Link from Earth’s Core to Continents
Earth’s magnetic field waxes and wanes as supercontinents form and break up, suggests a new study postulating a direct connection between our planet’s crust and its core.
Posted inScience Updates
Earth's Wobbly Path Gives Clues to Its Core
Understanding the Earth Core and Nutation; Brussels, Belgium, 19–21 September 2016
Posted inResearch Spotlights
Can Meteorite Impacts Disturb a Planet's Magnetic Field?
Such disturbances probably do not occur on our own planet, but evidence for them might still exist elsewhere in the solar system.
Posted inResearch Spotlights
The Enigmatic Core Properties of the Inner Earth
A new study explores the possibility of cubic iron alloy structure at our planet's core.
Posted inResearch Spotlights
From Magnetic Field Data, the Flow of Earth’s Core
How can researchers understand what happens at the center of the Earth when it can’t be measured directly?