During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes ...

Scientists have long puzzled over why Mars, once protected by a global magnetic field like Earth, now shows only a magnetic imprint mostly concentrated in the planet’s southern hemisphere. A new study ...

Earth’s Northern Lights typically dance near the poles, but 41,000 years ago, they lit up skies over North Africa and Australia. New research reveals how dramatically Earth’s magnetic field weakened ...

Abstract: Optically pumped magnetometers (OPMs) operating in the spin-exchange relaxation-free (SERF) regime achieve excellent sensitivity in environments with zero magnetic fields. Therefore, it is ...

Scientists have known for a while that Mars currently lacks a magnetic field, and many blame that for its paltry atmosphere – with no protective shield around the planet, the solar wind was able to ...

They have shown the generation and application of magnetic field steps, in which a magnetic field is turned on in a matter of picoseconds. The work has been published in Nature Photonics.

However, most of these theoretical works did not consider the effects of magnetic fields on this spectrum. "Next-generation gravitational wave observatories, like Cosmic Explorer, will be able to ...

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...