News: Cosmology, Theoretical Physics and Gravity

There’s a big debate in cosmology about how fast the universe is currently expanding.

A panel of physicists and astronomers grapple with possible cracks in our modern creation myth, the standard model of cosmology.

The caverns in Lead, South Dakota, will house the gigantic particle detectors of the Deep Underground Neutrino Experiment.

Stars powered with dark matter still need proving but could reveal clues about the nature of one of the universe’s great mysteries.

A team of astrophysicists has found evidence for gravitational waves that oscillate with periods of years to decades.

Hefty young galaxies defy the reigning model of cosmology, called "dark energy + cold dark matter" or ΛCDM.

Scientists create the most detailed and accurate simulation ever produced of the first billion years of the universe.

Steven Weinberg aimed to distill the rules of physics down to their simplest, most beautiful essence.

Steven Weinberg was best known for his Nobel-prize winning work that unified two fundamental forces of nature — electromagnetism and the weak force.

A couple who joined the Department of Physics in 2020, Pablo Laguna and Deirdre Shoemaker, study violent events in the universe, like when cosmic heavyweights...