Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the aurora-causing effects of the solar wind. However, towards the equinox, the two fields ...

Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records ...

During March and September equinoxes, Earth's axis is parallel to the sun's. Magnetic fields of Earth and the solar wind momentarily coincide, creating "cracks" that allow charged particles to ...

A total lunar eclipse best seen from North America on March 13-14, 2025, may reveal the northern lights, thanks to solar ...