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 ...

Two tough, resilient, NASA spacecraft have been orbiting Earth for the past six and a half years, flying repeatedly through a hazardous zone of charged particles around our planet called the Van Allen ...

Remember the big solar storm in May? Scientists have just discovered that, in addition to creating spellbinding auroras, the storm also made a new temporary ring of charged, high-energy particles ...

In 1958, James Van Allen discovered far fewer cosmic rays than expected using a cosmic-ray detector and suggested that a belt of strong radiation may have damaged the device. The belts were therefore ...

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NASA's Van Allen Probe A is expected to reenter Earth's atmosphere almost 14 years after launch. From 2012 to 2019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts, ...

NASA’s spacecraft Van Allen Probe A is expected to fall back to Earth this week in an uncontrolled re-entry, marking the end of a spacecraft that spent years studying the Van Allen radiation belts to ...

Using data from a NASA satellite, a team of scientists led by the Los Alamos National Laboratory in New Mexico and involving the University of Colorado Boulder have discovered a massive particle ...

Private spaceflight missions like Polaris Dawn "start to provide us with information that otherwise we wouldn't have." When you purchase through links on our site, we may earn an affiliate commission.