A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang. Researchers from the universities of Bonn, Prague, and Nanjing ...

When we look out at the CMB, we find fluctuations in it as well: the regions of overdensity (which are coded “blue”, or ... released earlier -- the cosmic neutrino background, gravitational ...

in Chile to study the cosmic microwave background using the thermal Sunyaev-Zel’dovich effect. The observations made with ALMA are visible as the blue-purple hues.