Helium nuclei, carbon nuclei, oxygen nuclei: three very different particles, all screaming through the Milky Way at nearly ...

Scientists have detected changes in cosmic rays that could reveal the true origin of these extreme particles in the universe.

NASA's Artemis I mission takes a selfie of the Orion capsule on its way to the moon. Travel beyond the Earth's atmosphere and magnetic fields involves exposure to high levels of radiation from the sun ...

Cosmic rays traveling through space may provide enough energy to sustain life even in incredibly cold and dark environments, a new study suggests. The staggeringly energetic neutrino likely came from ...

We are zeroing in on the true composition of the rarest, highest-energy cosmic rays – which could help reveal their unknown origins. Previous ultra-high-energy cosmic ray detections – by the Pierre ...

Ultrahigh energy cosmic rays may be made of nuclei heavier than iron, according to a May 2026 Penn State study in Physical ...

While the San Francisco 49ers and the Baltimore Ravens were butting heads and other body parts a couple of Sundays ago, they were simultaneously taking a whole different type of pounding, though they ...

A century after the discovery of cosmic rays, scientists may have identified a hidden principle governing how these particles ...

A team of international astronomers have discovered a new cosmic object emitting both radio waves and x-rays. Astronomers from the International Centre for Radio Astronomy Research (ICRAR), in ...