A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and ...

and cosmic microwave background (gray). ACT COLLABORATION; ESA/PLANCK COLLABORATION It’s hard to picture the universe in its infancy. The middle-aged cosmos now stretches across 93 billion light ...

Previous data put the age of the universe at 13.8 billion years ... then by NASA’s Wilkinson Microwave Anisotropy Probe (WMAP) in the 2000s and then in yet greater detail by the European Space ...