High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...

Cosmic rays traveling through space may provide enough energy to sustain life even in incredibly cold and dark environments, a new study suggests. The staggeringly energetic neutrino likely came from ...

Michigan State University astrophysicists are closing in on one of space science’s biggest mysteries: where the galaxy’s most energetic particles come from. Their studies uncovered a pulsar wind ...

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

Detection by Askaryan Radio Array holds promise for future research into sources, nature of cosmic rays and neutrinos ...

Cosmic rays, high-energy particles that travel through space, have puzzled scientists for decades. One particular feature of their energy spectrum—the “knee”—has long remained a mystery. Recent ...

A dead star accelerates protons to extreme speeds, shedding light on the origin of the most energetic cosmic rays.

The Oct. 30 incident saw the plane rapidly lose altitude and sent at least 15 to 20 people to the hospital. Getty; Nik Oiko/SOPA Images/LightRocket via Getty A space and radiation expert claims a ...

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