A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

ACT’s final data set delivers the most precise view of the early universe, mapping cosmic expansion and primordial gas ...

The photos show light, dark and the polarization of light—background radiation known as the cosmic microwave background, and details the movement of hydrogen and helium gas at the beginning of ...

As the universe expanded, the material cooled, condensing after ~400,000 years into neutral atoms, freeing the cosmic microwave background (CMB ... first emergence of complexity in our universe, but ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system ...

This Cosmic Microwave ... cosmic microwave background (CMB), the relic radiation from the Big Bang. Other support for the Big Bang is Olber’s Paradox. If the universe had no boundary and no ...