A new study, published in the journal Physical Review Letters, suggests that some of the highest-energy cosmic rays could ...

There may be an ultraheavy explanation for the mystery surrounding the origins of the highest-energy particles ever observed.

A long-standing cosmic mystery is beginning to yield new clues as researchers uncover a strikingly consistent pattern in the ...

Scientists from the Telescope Array Collaboration have detected an ultrahigh-energy cosmic ray, a discovery that’s challenging our current understanding of exotic cosmic phenomena and their origins.

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Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

In 1991, the University of Utah Fly's Eye experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray's energy shocked astrophysicists. Nothing ...

UPTON, NY – In deep space, protons are the most abundant type of charged particle. Therefore, before astronauts can safely travel far from Earth for long periods of time, it is important to know how ...

"Understanding these cosmic rays allows us to unveil big particle accelerators in the universe that are often associated with the most violent phenomena." When you purchase through links on our site, ...