In the late 1980s, scientists realized they could understand the interior properties of the sun by observing the sound waves ...

In other words, the dynamo (the natural process through which the sun produces its magnetic field) that was thought to depend on the tachocline also appears to create and maintain ...

We’re used to Hall effect devices as proximity sensors in mechanical systems, used to provide detection of something that has a magnet attached to it. However it’s easy to forget that the devices that ...

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...

The early Universe hosted ultra-weak magnetic fields that still shaped cosmic structures. New simulations establish stricter limits on their strength. Magnetic fields that originated during the earlie ...

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

Electrons in a magnetic field can display striking behaviors, from the formation of discrete energy levels to the quantum ...

Every so often—every 250,000 years on average—the Earth's magnetic poles reverse polarity. If such a reversal happened today, compass needles would point south rather than north. Here, view a computer ...

When a sodium-filled model of the Earth’s outer core spins at full speed, it could generate a dynamo. Courtesy Daniel P. Lathrop In a large, warehouse-like laboratory on the University of Maryland ...

The Earth's magnetic field surrounds our planet like an invisible force field—protecting life from harmful solar radiation by deflecting charged particles away. Far from being constant, this field is ...

We are in the midst of a new era in space exploration, one in which everyone from NASA to Elon Musk's SpaceX have expressed interest in the idea of sending humans to Mars and even establishing ...