From the connection between Earth’s core and life on the surface, way out to the ends of the solar system, this month’s issue of Eos takes a look at the study of magnetic fields.Read More »Geology & Geophysics
Not all planets move the needle. But whatever planet you take a magnetic compass to, it’s sure to point out clues to secrets underfoot.Read More »Geology & Geophysics
Earth’s global magnetic field likely dates back billions of years and is a barrier against cosmic radiation. What roles has it played in the planet’s biosphere?Read More »Geology & Geophysics
Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater volcano emerged with a flurry of seismicity.Read More »Geology & Geophysics
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.Read More »Geology & Geophysics
In 2014, São Paulo experienced its greatest water crisis ever, caused by an intense drought. New research indicates that it is likely to happen again and be even more severe.Read More »