New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...

In 1927 Georges Lemaître proposed that the Universe began with an explosion called the Big Bang. Hubble’s research into the red shift of galaxy light showed that the Universe was expanding ...

Astronomers discovered cosmic microwave background radiation in ... spread thinly across the whole Universe. More distant galaxies have greater red-shift. This indicates that more distant galaxies ...