Astronomy and Astrophysics

Aging stars provide a new cosmological yardstick

UChicago researchers verify a new method of measuring distances to faraway galaxies

Dark Energy Survey finds new evidence for emerging way to measure dark matter

In a surprise finding, physicists from the Dark Energy Survey announced new evidence on the link between light and dark matter

Ceramic chips inside meteorites hint at wild days of the early solar system

Analysis by UChicago scientists reverses earlier findings, suggests large temperature swings