Long-term study The HESS observatory in Namibia has made a “unique measurement” of the electron and positron cosmic ray spectrum. (Courtesy: Klepser/DESY/HESS collaboration/CC BY-SA 3.0) A new ...

Kinky particles: the GRAPES-3 experiment in Ooty, India depicted with a simulated cosmic ray shower. The inset shows the cosmic ray proton spectrum measurement by GRAPES-3 along with observations by ...

The GRAPES-3 experiment in Ooty, India discovered a kink in the cosmic-ray proton spectrum at around 166 tera-electron-volt (TeV). The new feature will advance our understanding of the cosmic ray ...

The source of this extragalactic cosmic ray, detected on May 27, 2021, remains an enigma, as its incoming direction does not align with any known astronomical objects.

Scientists are seeking answers after a telescope in Utah detected the most powerful cosmic ray seen in more than three decades.

Space scientists have detected an extremely rare, ultra-high-energy particle that they believe traveled to Earth from beyond the Milky Way galaxy.

To reach this conclusion, scientists studied millions of data points captured by a cosmic ray detector on the ISS.

Researchers at the Large High Altitude Air Shower Observatory (LHAASO) have accurately measured the cosmic ray all-particle energy spectrum and the mean logarithmic mass in the range of 0.3–30 ...

Past observations revealed the cosmic ray energy spectrum is made up of several peta-electron volts, suggesting the Milky Way itself accelerates particles up to that limit.

Incredibly powerful ‘cosmic ray’ signal spotted in distant space – and scientists have no clue what it is The ‘Amaterasu particle’ is the second most powerful particle of its kind ever ...