Astronomy and Astrophysics

Scientists discover ‘most chemically pristine’ star yet found in the universe

On trip to Chilean telescope, UChicago undergrad class sheds new light on evolution of earliest stars

Science stars at special UChicago, Argonne screening of ‘Project Hail Mary’

Researchers and students marked the new film with a panel discussion, hands-on science demos and a shared love of discovery

Ancient star opens window to early days of the universe

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos

In Antarctica, balloon lands after 23-day search for particles from outer space

Unique UChicago-led instrument PUEO caught a ride aboard a NASA balloon in search of high-energy neutrinos

Supermassive black holes sit in ‘eye of their own storms,’ studies find

XRISM satellite allows UChicago scientists to directly detect turbulence driven by Perseus, M87 black holes