NASA’s Van Allen Probe A is expected to re-enter Earth’s atmosphere March 10, nearly 14 years after launch. Most of the spacecraft should burn up, and the risk to people on the ground is low. The twin ...

Our planet is nestled in the center of two immense, concentric doughnuts of powerful radiation: the Van Allen radiation belts, which harbor swarms of charged particles that are trapped by Earth’s ...

It was not expected to happen for almost another decade, but NASA has confirmed one of the two Van Allen probes is crashing back down to Earth today. The mission revolutionized our understanding of ...

NASA’s Van Allen Probe A re-entered Earth’s atmosphere on Wednesday, March 11, at 6:37 a.m. EDT, marking the final chapter for a spacecraft that reshaped scientists’ understanding of the radiation ...

One year after their launch from Cape Canaveral Air Force Station at 4:05 a.m. E DT on Thursday, Aug. 30, 2012, NASA’s twin Van Allen Probes have already fundamentally changed how we understand the ...

NASA’s Van Allen Probes mission has discovered a previously unknown third radiation belt around Earth, revealing the existence of unexpected structures and processes within these hazardous regions of ...