When solar storms strike, they weaken Earth's defenses against harmful radiation. New satellite measurements reveal just how much.
Solar wind/magnetosphere interactions
Posted inResearch Spotlights
What Makes Jupiter's Aurora Pulse?
The aurora crowning Jupiter's poles—the most powerful in the solar system—flares up when plasma is injected into its magnetic field.
Posted inResearch Spotlights
X Marks the Spot of Magnetic Islands in Space
At the edge of Earth's magnetic field, satellites have found X-shaped fields and fast-moving "islands" of magnetism that could shed light on the physics of solar storms.