A new study proposes a simpler theory to explain a class of electrons zipping around Earth, propelled by magnetic explosions.Read More »Space Science & Space Physics
A new analysis of satellite data could upend conventional wisdom about how solar storms produce their dangerous radiation—not from X-shaped mergers of magnetic field lines but from swirling vortices.Read More »
New calculations show that lightning-triggered plasma waves in Earth's magnetosphere absorb energy from slow particles and energize electrons to levels that can damage satellites severely.Read More »Space Science & Space Physics
When the Earth's and the Sun's magnetic fields meet, they realign in explosive and mysterious reconnections. Data suggest that plasma waves called kinetic Alfvén waves play a key role.Read More »Space Science & Space Physics
In a first-of-its-kind demonstration, scientists provide experimental support for a possible mechanism behind the formation of coronal mass ejections.Read More »Geology & Geophysics
Understanding magnetic reconnection is important in the context of Sun-Earth Connection, because of the resulting exchange of mass and energy, and the large amount of energy involved. Read More »Planetary Sciences
Polarity reversals in the solar wind magnetic field disconnect the magnetic field trailing behind Venus, allowing ions from the atmosphere to escape.Read More »Space Science & Space Physics
NASA's latest mission to Mars has uncovered the origins of fast-moving streams of particles high above the planet, flowing against the solar wind.Read More »Space Science & Space Physics
As a theoretical physicist, he contributed strongly to magnetospheric and space physics since the 1960s, both in research and as a program leader at Boston College and NASA.Read More »
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