Priorities for next 10 years of astronomy include exoplanets, early days of universe
Astro2020 survey prioritizes UChicago-affiliated projects such as Giant Magellan Telescope, CMB-S4
Aging stars provide a new cosmological yardstick
UChicago researchers verify a new method of measuring distances to faraway galaxies
The Hubble constant, explained
One of the most important numbers in cosmology, the Hubble constant tells us how fast the universe is expanding, which in turn tells us the age of the universe and its history.