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Solar Physics

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Retired Van Allen Probe A Reenters Over Eastern Pacific After Solar Activity Speeds Orbital Decay

An unusually active solar maximum expanded the upper atmosphere, increasing drag that drove the satellite back to Earth years sooner than forecast.

Chandra Maps Hot Astrosphere Around Young Sun-Like Star HD 61005

SNO+ Detects Solar Neutrinos Converting Carbon-13 Into Nitrogen-13

Study Links Geomagnetic Disturbances to Higher Heart-Attack Rates, With Larger Effect Reported in Women

NASA Begins Commissioning TRACERS Satellites After Falcon 9 Launch

ESA’s Proba-3 Creates First Artificial Solar Eclipse in Space

NASA’s MAVEN Mission Directly Observes Martian Atmospheric Sputtering

Cona Adaptive Optics Reveals Hidden Dynamics in Sun’s Corona