magnetosphere

The Herky-Jerky Weirdness of Earth’s Magnetic Field

First Estimate of Radiation on Moon’s Far Side Spells Alarm for Future Astronauts

Planet-Sized Sunspot Confirms New Solar Cycle – but Don’t Expect ‘Killer’ Flares

A Hubble space telescope image showing an aurora over one of Jupiter's poles. Credit: NASA/ESA

NASA Juno Spacecraft In Orbit Around Jupiter After Five-Year Journey

An artist's illustration of Juno, with Jupiter in the background. Credit: NASA/JPL-Caltech

NASA’s Juno Nears Jupiter to Unravel Its Secrets