The most powerful cosmic rays in the universe currently have no explanation. New research suggests that exotic, self-annihilating particles in our own galaxy may hold the answer.

The most powerful cosmic rays raining down on Earth may come not from distant corners of the universe but from heavy dark matter particles that annihilate themselves in our own backyard.

We know that regular supernovas pose no existential threat to life on Earth in the near-term. But there are other varieties ...

In addition, the process is accompanied by powerful gravitational waves ... it would be the biggest breakthrough in the study of cosmic rays in decades. Thus, Farrar's research results not only ...

trillions of cosmic rays of cosmic rays bombard the Earth. While this might sound alarming, most of them are prevented from reaching the Earth’s surface by our planet’s natural forcefield (its ...

"We would like to understand the difference between these systems, which holds the clue to understand just how many cosmic rays are produced in the jets of microquasars." ...

The most powerful ultrashort electron beam ever created offers new possibilities for recreating cosmic conditions in ...

Some cosmic rays are so powerful that they can even mess with electronics ... Our planet’s magnetic field and atmosphere act like a shield, blocking most of them before they reach us. But they still ...

Researchers discover collisionless shock waves as cosmic engines accelerating subatomic particles in space to extreme speeds.