Detected in 2021, the Amaterasu particle ranks among the most energetic cosmic rays ever observed, carrying an estimated 244 exa-electronvolts. Its apparent arrival from a nearly empty region of space ...
New analysis by Francesca Capel and Nadine Bourriche narrows possible sources of the Amaterasu cosmic ray, suggesting nearby galaxies like M82 rather than the Local Void.
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.
PHOENIX — Arizona is home to telescopes at Kitt Peak south of Tucson and Lowell Observatory in Flagstaff and now northern Arizona is a finalist to be home for a 40- telescope array. Meteor Crater and ...
Astronomers have dived into the turbulent and chaotic heart of the Milky Way, discovering hidden chemistry around our galaxy's supermassive black hole.
October 16, 2024, Mountain View, CA - Scientists at the SETI Institute and partners from Penn State University used the Allen Telescope Array (ATA) to search for signs of alien technology in the ...