Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...

The wavelength of the 21-cm photons carrying the signatures of the first stars, black holes and early galaxies is stretched by the expansion of the universe, a phenomenon known as cosmic redshift.

A team of astrophysicists that includes the University of Toronto’s Gonzalo Alonso-Álvarez has shown that pairs of supermassive black holes can merge together into a single, larger black hole – a ...