A new recipe of "quadratic gravity" could help to better define the picture of the Big Bang and the singularity that existed ...

The most precise measurement yet shows the Universe is expanding faster than expected, deepening the Hubble tension. The ...

How a mysterious particle could explain the universe’s missing antimatter Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter.

The universe may not only be geometry and energy—but also memory. And in that memory, every moment of cosmic history may still be written. For more than a century, physics has been built on two great ...

A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.