Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...

Black holes, often perceived as cosmic vacuum cleaners, actually play a much more complex role in the Universe. They act as ...

Researchers from Los Alamos National Laboratory have discovered that cosmic-ray showers seem to play a pivotal role in ...

Neutrinos are born during extreme cosmic events. Scientists have managed to detect an ultra-high-energy neutrino, or 'ghost particle', that can change the way astrophysicists view the world.

Other high-energy cosmic messengers zipping through space are not as reliable. For instance, the path of cosmic rays gets bent by magnetic fields, so they cannot be traced back to their place of ...