Ultra-high energy cosmic rays are orders of magnitude more powerful than the sun's energetic particles: They can reach up to 10 20 electron volts, whereas particles from the sun can reach up to 10 ...

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Although scientists have known about Ultra-High Energy Cosmic Rays (UHECRs) for years, nobody can pinpoint their origin. When these UHECRs hit the ground, however, they cause a widespread local ...

A radical new study suggests that ultra-high-energy cosmic rays may not come from distant black holes or supernovas—but from dark matter particles annihilating in our galaxy. A Russian ...

According to our knowledge of the formation of atoms, the primary particles of ultra-high-energy cosmic radiation can consist of all elements from hydrogen to iron. Due to its large mass ...

Embargoed until the publication of a paper in Nature last month, the KM3NeT collaboration believes their observation may have originated in a novel cosmic accelerator ... charged-current interaction ...

Generated when high-energy particles in space strike the atmosphere above Earth, muons have been used to monitor magma movement in a volcano, detect empty cavities in the Great Pyramid of Giza in ...

discovered a giant ultra-high-energy gamma-ray bubble structure in the Cygnus star-forming region. This was the first super cosmic ray acceleration source to have ever been authenticated.

James (Jim) Cronin also devoted the second half of his career to studying cosmic rays. He conducted an experiment known as the Chicago Air Shower Array (CASA), which ran from 1992-1999 in Utah to ...