Mysterious plasma waves from space are generating displays of aurora near Earth's poles.
magnetic fields & magnetism
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
Cassini Observes First Evidence of Saturn's Ionospheric Outflow
Evidence shows the ionosphere may contribute as much mass as the moon Enceladus.
Posted inNews
James Wynne Dungey (1923–2015)
Dungey, whose research laid the foundation for how the Sun's magnetic field connects to Earth's magnetic field, died on 9 May 2015. He was 92.
Posted inResearch Spotlights
Satellites Test Theory of Magnetic Reconnection
A quartet of satellites flying through Earth's magnetic field measures its interaction with the Sun's and puts a theory about their reconnection to the test.
Posted inResearch Spotlights
Sun's Magnetic Field Impacts Earth's Thunderstorms
Lightning strikes are more frequent when Earth encounters a polarity switch in the solar magnetic field.
Posted inResearch Spotlights
How Saturn Alters the Ionosphere of Titan
New research shows that Saturn's powerful magnetic field changes the atmospheric chemistry of its largest moon, Titan.
Posted inResearch Spotlights
Electric "Tornadoes" in Space Drive Disturbances Down to Earth
New simulations show how shocks in space can trigger vortexes in Earth's magnetic field, causing magnetic disturbances that are detectable from the ground.
Posted inScience Updates
Developing New Rock Magnetic Tools to Drive Geoscience Research
First Order Reversal Curve Workshop (FORCshop); Minneapolis, Minnesota, 23–24 July 2015
Posted inResearch Spotlights
Mercury's Magnetosphere Model Gets Retro Makeover
New observations from Mercury revive a once-abandoned model for its magnetic field, resulting in a new profile that better fits the data.