The first results from a recently launched satellite hold promise for studying solar storms, the very top of Earth's ionosphere, and how the atmosphere is evolving.
plasmas
Posted inResearch Spotlights
Patches of Low Electron Density Help to Heat the Ionosphere
Simulations show how changes in electron density can trap electromagnetic waves and heat electrons in the ionosphere.
Posted inResearch Spotlights
Mysterious "Necklace Echoes" in the Sky Explained
Scientists studying a 50–year–old mystery in the Earth's ionosphere have come up with their best explanation of it yet.
Posted inResearch Spotlights
Electrons Thrown Off Course in Near-Earth Magnetic Reconnection
NASA Magnetospheric Multiscale (MMS) mission detects energy differences in electrons scattered by magnetic reconnection.
Posted inScience Updates
Great Mysteries of the Earth's Magnetotail
Workshop on Magnetotail Reconnection Onset and Dipolarization Fronts; Laurel, Maryland, 16–18 September 2015
Posted inNews
Human Radio Transmissions Create Barrier to "Killer Electrons"
An interaction between radio waves and the Van Allen radiation belts creates a bubble around the Earth that high-energy electrons can't penetrate.
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
New Clues to Mysterious Hiss in Earth's Plasmasphere
An analysis of the electromagnetic "hiss" that surrounds Earth reveals it's not just static; there's a signal hidden within, which may help scientists uncover its source.
Posted inResearch Spotlights
Magnetized Collisionless Shock Waves Measured in the Lab
Scientists create collisionless shock waves to better understand the phenomenon in nature.
Posted inResearch Spotlights
Spacecraft Records Rising-Tone Magnetosonic Waves
A rising tone in wave frequencies suggests a complicated, nonlinear series of interactions between electromagnetic sound waves and protons near the magnetic equator.