The strength of Earth’s magnetic field in the distant past can tell scientists whether the planet’s magnetic poles were steady or prone to frequent reversals.
magnetic fields & magnetism
Posted inNews
Do Uranus’s Moons Have Subsurface Oceans?
Scientists tested whether a classic technique could detect subsurface oceans on the moons of Uranus. In this scenario, the planet’s oddball magnetic field offers a big advantage.
Posted inNews
Earth’s Magnetic Field Holds Clues to Human History
Items burned in the sacking of ancient cities are time capsules of geomagnetic data.
Posted inResearch Spotlights
Drivers of Upper Atmosphere Climate Change
New research confirms the influence of carbon dioxide on long-term temperature trends in the upper atmosphere, but changes in Earth’s magnetic field also play a key role.
Posted inResearch Spotlights
Chemical-Shuttling Bacteria Follow Earth’s Magnetic Field
Magnetotactic bacteria shunt sulfur, nitrogen, and other important elements between oxygen-poor and oxygen-rich waters.
Posted inNews
Bringing Clarity to Magnetic Reconnection
A particle-level process appears to play a key role in planet-sized events throughout the universe.
Posted inEditors' Vox
New Insights from the Magnetic Properties of Fault Rocks
Magnetic studies offer a new strand for the analysis of faulting processes and could help with better understanding of fault rupture and earthquakes.
Posted inResearch Spotlights
A Juno Era Model of the Jovian Magnetosphere
Updating a model developed during the Voyager flybys will enable better mission planning and a deeper understanding of Juno data.
Posted inNews
Measuring Massive Magnetic Meteorites
A new tool to measure the magnetic signatures of big meteorites could not only aid NASA’s mission to Psyche; it could also help solve mysteries about how magnetic fields formed in our early solar system.
Posted inEditors' Vox
New Results Concerning Solar Wind Entry into the Magnetosphere
A new book describes recent results defining the many pathways and foreshock, bow shock, magnetosheath, and magnetopause phenomena connecting the solar wind to the dayside magnetosphere.