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Jul 29 | 4 PM in Online and In-Person Event High Energy Physics Seminar

Aug 16 | 8 PM in Cahill Center for Astronomy and Astrophysics Stargazing Lecture

Sep 25 | 11 AM in Online Event High Energy Theory Seminar

Artwork of a dark matter flying ahead of normal matter in galaxy cluster collision.

Dark Matter Flies Ahead of Normal Matter in Mega Galaxy Cluster Collision

This illustration depicts a binary star system consisting of a dense neutron star and a normal Sun-like star (upper left).

Sun-Like Stars Found Orbiting Hidden Companions

A crowd of families stands under trees and shade umbrellas on campus

Math Celebration at Caltech Builds Community

Caltech Submillimeter Observatory

Caltech's Submillimeter Observatory Has Been Removed from Maunakea

This still shows an accretion disk around a supermassive black hole.

Cosmic Simulation Reveals How Black Holes Grow and Evolve

Photo of the Large Hadron Collider at CERN

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