NASA and Partners Assemble New COSI Gamma-Ray Telescope

• Engineers at UC Berkeley successfully lifted the detector assembly for the COSI (Compton Spectrometer and Imager) in a milestone captured on July 8, 2026.
• COSI is a wide-field gamma-ray telescope designed to investigate high-energy phenomena within the Milky Way and the broader universe.

Scientific Objectives

• Studying the creation and destruction processes of matter and antimatter.
• Observing the final life stages of stars.

Collaborative Partners

• University of California, Berkeley (Space Sciences Laboratory)
• University of California, San Diego
• Naval Research Laboratory
• NASA’s Goddard Space Flight Center
• Northrop Grumman
• Space Dynamics Laboratory
• Italian Space Agency
• Various other international research institutions