Incredibly powerful ‘cosmic ray’ signal spotted in distant space – and scientists have no clue what it is
Scientists have detected the second most powerful cosmic ray ever seen.
An particle charged with so much energy that it appears to defy explanation appears to have been thrown from a seemingly dark region on the edge of our galaxy and landed on Earth, astronomers say.
The astonishingly powerful charged particle is almost entirely mysterious, and should not be able to exist according to current understandings of physics. Researchers do not know
