91av

Physics

Neutrino no-show deepens cosmic ray mystery

The failure of ghostly subatomic messengers called neutrinos to show up at an Antarctic telescope disproves a major astrophysical theory

Space

Astrophile: Attack of the mystery green blobs

Space

Galactic beacons not formed by intergalactic crashes

Physics

Crashing galaxy clusters may turbocharge cosmic rays

Space

Gluttonous black holes power ancient cosmic ‘blobs’