Major problem with current standard model of cosmology resolved

Scientists have solved a major problem with the current standard model of cosmology by combining results from the Planck spacecraft and measurements of gravitational lensing in order to deduce the mass of ghostly sub-atomic particles called neutrinos.

Scientists closing in on dark matter?

Physicists believe it makes up about 23 percent of the mass-energy content of the universe, but what is dark matter is still a mystery.