For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the universe. These energetic travelers move at nearly the speed of light, packing ...

What's the deadliest part of a supernova explosion? To estimate this we have to look at what the actual destructive ...

DURING the last ascent of the balloon F.NM.S. (August 18, 1934), we had the opportunity of measuring with precision the intensity of cosmic rays at altitudes of about 12,000 m., 15,000 m.

We should all feel grateful that we live in a time of magnetic stability, because the field acts as a protective bubble, interacting with harmful particles just beyond the outermost layer of Earth’s ...

“Both Voyagers will continue to collect unique information on particles such as energetic cosmic rays and interstellar plasma ...

Mission engineers at NASA's Jet Propulsion Laboratory in Southern California turned off the cosmic ray subsystem experiment ...

Mission engineers at NASA’s Jet Propulsion Laboratory turned off Voyager 1’s cosmic ray subsystem experiment on February 25, ...

Opinion High energy neutrinos are the coolest particles in astrophysics. Born in distant cosmic cataclysms, they speed ...

Researchers from Los Alamos National Laboratory have discovered that cosmic-ray showers seem to play a pivotal role in ...