Magnetic reconnection

Space ESA’s Solar Orbiter reveals how the Sun’s corona transforms into solar wind

A plunge in the iron-to-oxygen ratio shows the Sun’s enormous magnetic boundary carries a chemical fingerprint into space.

Space Small whirlpool-like structures reveal how the Sun stores and releases energy Joshua Shavit

Space Cassini-Huygens mission finds lopsided shift in Saturn’s magnetic bubble Joshua Shavit