It's 1961, and four intrepid cosmic explorers journey to space under the leadership of Reed Richards, where they encounter ...

Cosmic rays are high-energy charged particles, mostly protons or heavier atomic nuclei, that constantly bombard Earth from space. Scientists first detected them in the early 20th century, ...

Among the seven million rays detected since then, the telescope was able to identify a range of cosmic ray energies, all the way up to levels of 10 teravolts, with a few even beyond.

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 ...