Jeffrey Newman (Univ. of California at Berkeley) and NASA
If some of the dark matter in the universe is decaying into undetectable radiation, it would solve a niggling mystery about the rate at which our universe is expanding. And if dark matter is decaying, it has major implications for the experiments that are looking for it.
Astronomers infer the presence of dark matter because of its gravitational influence on stars and galaxies. The standard model of cosmology assumes that the amount of dark matter has …