Dark Energy Survey

Dark Energy Survey reveals most precise measure of universe’s structure Observatory under red light with Milky Way in background

Dark Energy Survey reveals most precise measure of universe’s structure

Nine pint-sized galaxies found orbiting Milky Way

Nine pint-sized galaxies found orbiting Milky Way

Postdoctoral research fellow Keith Bechtol helps lead Dark Energy Survey analysis, which led to discoveries of potential dwarf galaxies


Synthetic universes: How simulations will help search for dark energy

Synthetic universes: How simulations will help search for dark energy

Live Q&A, webcast on Dark Energy Camera set for Oct. 12

Live Q&A, webcast on Dark Energy Camera set for Oct. 12

2011 physics Nobel laureates collaborators on UChicago, Fermilab projects

2011 physics Nobel laureates collaborators on UChicago, Fermilab projects

Cosmologist Josh Frieman to present June 9 lecture on ‘The Dark Universe’

Cosmologist Josh Frieman to present June 9 lecture on ‘The Dark Universe’

Sloan Digital Sky Survey Changes the Face of Astronomy

Sloan Digital Sky Survey Changes the Face of Astronomy

272 stars gave their lives for the photo spread on cosmic explosions that graced pages 80 and 81 of the March 2007 National Geographic.


Steve Koppes

Dark energy, explained Illustration of galaxies spreading out from a single luminous point

Dark energy, explained

Coined by University of Chicago astrophysicist Michael Turner in 1998, dark energy—the force causing the universe to expand faster over time—remains one of the great mysteries of physics.

Joshua Frieman BW

Joshua A. Frieman

Title: Professor of Astronomy and Astrophysics

Expertise: Dark energy, Dark Energy Survey

Departmental website: https://astrophysics.uchicago.edu/people/profile/joshua-a.-frieman/