Clue to origin of cosmic rays

Astronomers believe they've now worked out the details of how supernova remnants can form cosmic rays.

Yes, we may all be living in the Matrix, say physicists

German scientists say they've found a way to tell whether or not our universe is a giant computer simulation - and that there's evidence to suggest that it is.

Cosmic ray bursts still a mystery

Gamma ray bursts turn out not to be the cause of the strongest cosmic rays, leaving scientists scratching their heads.

Supernova observations may explain cosmic rays

Move over CERN: a pattern of X-ray 'stripes' in the remains of a supernova may provide the first direct evidence that supernovae can accelerate particles to energies a hundred times higher than the Large Ladron Collider.

Solar system's cosmic ray shield weakens faster than expected

The 'force field' shielding our solar system from cosmic rays has declined in intensity by 10 to 15 percent over the last six months.