A roughly 70-million-year interval of anomalously weak magnetic field during the Ediacaran period could have triggered atmospheric changes that supported the rise of macroscopic life.
magnetic fields & magnetism
Posted inNews
A Weak Spot in Earth’s Magnetic Field Is Going from Bad to Worse
This could be bad news for satellites and spacefarers.
Posted inEditors' Highlights
Space Weather Monitoring from Commercial Satellite Mega-Constellations
Enabling unprecedented monitoring of key electric current systems in low-Earth orbit using commercial satellite mega-constellations advances space weather monitoring.
Posted inResearch Spotlights
New 3D Model Reveals Geophysical Structures Beneath Britain
Using magnetotelluric data to identify subsurface electrically conductive and resistive areas, scientists can identify underground features and predict how space weather may affect infrastructure.
Posted inResearch Spotlights
Magnetic “Switchback” Detected near Earth for First Time
Until recently, this type of zigzag shape—formed by energetic rearrangement of magnetic field lines—had been seen only near the Sun.
Posted inNews
Scientists May Have Finally Detected a Solid Inner Core on Mars
Seismic clues from NASA’s InSight mission suggest that Mars hides a solid inner core, and raise new questions about why the planet’s magnetic field disappeared.
Posted inResearch & Developments
Trio of Space Weather Satellites Take Flight
These three satellites will that study the solar wind and its impacts.
Posted inNews
Exoplanet Triggers Stellar Flares and Hastens Its Demise
HIP 67522 b can’t stop blasting itself in the face with stellar flares, a type of magnetic interaction that scientists have spent decades looking for.
Posted inResearch Spotlights
A Solar Wind Squeeze May Have Strengthened Jovian Aurorae
Juno spacecraft data suggest an extreme compression of the planet’s magnetosphere in December 2022, caused by the solar wind, briefly brightened the ultraviolet light displays.
Posted inEditors' Highlights
300 Million Years of Polar Wander: Slowly but Surely
A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect to its rotation axis.