The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

The hot and cold spots from the hemispheres of the sky, as they appear in the CMB. The data underlying these maps encodes a tremendous amount of information about the early Universe, including what it ...

The far distant fates of the Universe offer a number of possibilities, but if dark energy is truly a constant, as the data indicates, it will continue to follow the red curve, leading to the long-term ...