Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers have detected an extremely energetic cosmic ray from an unknown source in the universe. The detection of a ...

Want to see cosmic rays? You might need a lot of expensive exotic gear. Nah. [The ActionLab] shows how a cup of coffee or cocoa can show you cosmic rays — or something — with just the right lighting ...

There are plenty of mysteries in the cosmos, and researchers from the University of Utah have found a new clue in one from more than 30 years ago. In 1991, scientists detected a cosmic ray so powerful ...

Artist’s illustration of extensive air showers induced by ultra-high-energy cosmic rays. Credit: Toshihiro Fujii/L-INSIGHT/Kyoto University Cosmic rays are highly energetic subatomic particles ...

The surface detector array of the Telescope Array experiment, deployed by helicopter. Credit: Institute For Cosmic Ray Research, University Of Tokyo Around 30 years ago, scientists in Utah were ...

Fermilab’s Mu2e experiment has reached a critical assembly stage with its 60-ton cosmic-ray veto system in the detector hall, ...

Cosmic rays provide information about the Universe through charged particles traveling near light speed. In May 2021, the international Telescope Array Project (TAP) in Utah detected the Amaterasu ...

Georgia State Regents’ Professor of Physics and Astronomy Xiaochun He and his students have developed a detector to measure cosmic rays and investigate how space weather can impact our changing ...

These cosmic rays typically come from the extremely distant universe, from ultrapowerful events such as supernovas and quasars. When you purchase through links on our site, we may earn an affiliate ...

Cosmic ray air showers are produced when high-energy cosmic particles enter Earth’s atmosphere and interact with atmospheric nuclei, generating cascades of secondary particles. These extensive air ...

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.