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 ...

An ultra-high-energy cosmic ray carries tens of millions of times more energy than any human-made particle accelerator such as the Large Hadron Collider, the most powerful accelerator ever built ...

During the cosmic dark ages, the early universe was shrouded in darkness. Learn more about why this was the case and how the universe eventually became transparent.

Cosmic rays—high-energy particles moving close to the speed of light—originated from somewhere in the Milky Way galaxy and beyond, but exactly where has been a mystery since they were ...

Astronomers have discovered a cosmic anomaly that’s throwing out pulses of radio waves and X-rays every 44 minutes, and they’re stumped. Dubbed ASKAP J1832-0911, the object was detected by the ...

Get Instant Summarized Text (Gist) An international team has captured a high-definition image of a cosmic filament within the cosmic web, connecting two galaxies from when the universe was about 2 ...