Magnetism

Nearly 200 years on, the Faraday Effect is the gift that keeps on giving:

https://phys.org/news/2025-11-magnetic-component-faraday-effect-centuries.html

Across the Southern Hemisphere, a new eye on the sky:

https://www.iflscience.com/largest-ever-map-of-magnetic-fields-between-stars-and...

There may be a third type of magnetism:

https://gizmodo.com/scientists-may-have-found-a-way-to-detect-a-third-type-of-ma...