If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

The temperature fluctuations in the CMB provide clues about the density and composition of the early universe, which in turn ...

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

ACT's new measurements have also refined estimates for the age of the universe and how fast it is growing today. The infall of matter in the early universe sent out sound waves through space ...

The images are helping scientists gather clues to the universe’s origin story. By looking over ACT’s measurements, the team behind the research was able to confirm the age of the universe at ...

Experts have unveiled the most detailed images yet of the universe’s infancy, capturing light that traveled for more than 13 ...

Scientists at Osaka University in Japan have devised a new AI model to estimate a person's biological age - a measure of how well their body has aged, rather than just counting the years since birth.