A neutrino from space recently plunged into the Mediterranean Sea with an energy that blows all other known neutrinos out of the water. Packing a punch of some 220 million billion electron volts, this ...

In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray’s energy shocked astrophysicists. Nothing in our galaxy had the power ...

The most energetic "ghost particle" neutrino ever detected may have been blasted at Earth by blazars, black hole engines that ...

Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

More than one million sources of energy are featured in the first X-ray images from the eROSITA space telescope. By Laura Baisas Published Feb 5, 2024 12:00 PM EST Add Popular Science (opens in a new ...

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 international cosmic ray observation mission reveals a key feature of these rays, marking a major advance in ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in the universe. A team from NTNU suggests that colossal winds from ...

Some of the most energetic cosmic rays in the galaxy may come from a surprisingly small source. If Max Planck Institute for Astrophysics researcher Laura Olivera-Nieto and her colleagues are right, ...

A new set of cosmological studies is raising questions about one of the deepest assumptions in modern physics: the idea that the universe behaves uniformly on the largest scales. Using supernova ...

Galactic cosmic rays — high-energy particles from outside the solar system — could theoretically power life on certain frigid worlds. The radiation can trigger chemical reactions underground, whose ...