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 ...

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 ...

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 ...

A 1,300-pound NASA satellite was set to crash into Earth on Tuesday, March 10, after orbiting Earth for 14 years. The first of the two Van Allen Probes satellites is expected to re-enter Earth's ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A 1,300-pound NASA satellite will crash back to Earth in an expected milestone that will bring to an end its 14 years of orbiting ...

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 ...

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 ...

After nearly 14 years in space, NASA’s Van Allen Probe A made a fiery return to Earth on Wednesday, March 11. Weighing just over 1,300 pounds, the satellite blazed through Earth’s atmosphere and ...

New findings based on a year's worth of observations from NASA's Van Allen Probes have revealed that the ring current - an electrical current carried by energetic ions that encircles our planet - ...