This is the filament of X-ray-emitting hot gas that had not been seen before, and contains a chunk of “missing” matter. (Courtesy: ESA/XMM-Newton and ISAS/JAXA) New observations support the idea that ...

Study reveals that high-energy cosmic rays are born in magnetic fields during neutron star mergers, a prelude to black holes.

Earth is under constant bombardment by cosmic rays, showers of high-energy particles that blast our planet from all directions at near light speed. While this might sound like the precursor to a ...

Cosmic rays coming from ultrapowerful sources in the distant universe can pose risks to humans on Earth — particularly frequent air travelers, who are routinely exposed at the high altitudes of ...

Cosmic rays are high-energy charged particles, mostly protons or heavier atomic nuclei, that constantly bombard Earth from ...

Cosmic ray found decades ago had 'more energy than was theoretically possible' The most powerful cosmic ray, named the Oh-My-God particle, was detected more than 30 years ago and measured around ...

Cosmic rays may offer an out-of-this-world answer to a long-standing mystery about lightning on Earth, a new study suggests. Thunderstorms are exceedingly common; a staggering 3 million lightning ...

X-ray image of the newly discovered pulsar wind nebular associated with an extreme Galactic cosmic ray source 1LHAASO J0343+5254u, obtained by the XMM-Newton space telescope (DiKerby, Zhang, et al ...

Levels of cosmic rays coming from outside our solar system have dropped to their lowest levels for six years.. According to data gathered from cosmic ray weather balloons launched by spaceweather ...