Weinberg Institute for Theoretical Physics

Researching at the intersection of astrophysics, cosmology, gravitational physics and high-energy physics.

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A telescope enclosure sits in front of two mountains under a blue sky

Features

Postcards from the Field: First Light for a New High-Desert Telescope

Scientists at the Simons Observatory in Chile, including Katie Freese and Nick Galitzki, probe the cosmic microwave background for clues about the history of the early universe.