Astrophysics and cosmology Archives – Page 13 of 56

A possible additional contribution from WIMP annihilation could not be identified, using NASA’s Fermi Gamma-ray Space Telescope.

Astronomers may have found the first observational indication of a strange quantum effect called vacuum birefringence.

Gravitational waves open a profound new vista on nature.

Testing Einstein’s masterpiece with ever increasing precision.

The technology behind LIGO’s epochal discovery.

Gravitational waves could also shed light on the microscopic world.

CERN’s neutron time-of-flight (n_TOF) facility has filled in a missing piece of the cosmological-lithium problem puzzle.

A team of astronomers has estimated that the number of galaxies in the observable universe is around two trillion.

Numerous experiments, many of them at CERN, are testing for violations of Lorentz and CPT symmetry in the search for new physics.

Five years of data from the AMS experiment on board the International Space Station reveal intriguing features, says Sam Ting.

Astrophysics and cosmology