NASA's Van Allen Probes Detect Life-Protective Electron Barrier Inside Earth's Radiation Belts

A visualization of the Earth’s radiation belts, based on data that were gathered by NASA’s twin Van Allen probes. The Earth is seen to be surrounded by the plasmapause (blue-green area) and the two main radiation belts further out (multi-color area). The boundary between the plasmapause and the inner edge of the outer […]

Hunting In the Dark: New Results Come From Alpha Magnetic Spectrometer on ISS, But No Definite Signs of Dark Matter Yet

The Alpha Magnetic Spectrometer is seen here at center left, following its installation on the S3 Truss on the International Space Station by the crew of the STS-134 space shuttle mission in 2011. The orbiting particle detector has been continuously collecting data ever since, on high-energy cosmic rays. Image Credit: NASA

Some of […]