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Caltech Mourns the Passing of Postdoctoral Scholar Kenny Lau (1989–2025)
12/02/2025

Caltech Mourns the Passing of Postdoctoral Scholar Kenny Lau (1989–2025)

Sharon W. Tran

Kenny Lau, a postdoctoral scholar research associate and experimental cosmologist in the Division of Physics, Mathematics and Astronomy (PMA), passed away on November 22, 2025. He was 36 years old.

A man with glasses smiles at the camera
Rare Star System Gives Insights into the Origins of Carbon Dust in the Galaxy
11/19/2025

Rare Star System Gives Insights into the Origins of Carbon Dust in the Galaxy

Lori Dajose

A new JWST image provides a detailed look at the carbonaceous dust shells thrown off by two extremely rare stars orbiting one another.

A spherical celestial shape envelops a round star at the center
Caltech's Pioneering Quantum Hub Celebrates 25 Years
11/05/2025

Caltech's Pioneering Quantum Hub Celebrates 25 Years

Whitney Clavin

John Preskill reflects on the history and impact of IQIM

A scientist is seen talking to others in a lab full of equipment.
Black Hole Flare is Biggest and Most Distant Seen
11/04/2025

Black Hole Flare is Biggest and Most Distant Seen

Whitney Clavin

The flare, co-discovered by the Zwicky Transient Facility, may be the result of a mega black-hole meal.

A black hole surrounded by debris is depicted garbling a star that has been shredded and appears as bright light swirling into the black hole.
Two-Volume Essential Einstein Collection is Now Available
10/31/2025

Two-Volume Essential Einstein Collection is Now Available

Cynthia Eller

Diana Kormos-Buchwald and Tilman Sauer have edited and translated Einstein's most important and characteristic writings and released them in a two-volume set titled The Essential Einstein.

book jackets for the Essential Einstein, scientific writings and public writings. Each volume has a picture of Einstein on the cover.
Colliding Black Holes Might Have Formed from Earlier Cosmic Smashups
10/28/2025

Colliding Black Holes Might Have Formed from Earlier Cosmic Smashups

Two recent detections have given the international LIGO-Virgo-KAGRA collaboration new insights into black hole formation and evolution

Two black circles appear to merge like bubbles with stars in the background.
Neutrino Experiments in U.S. and Japan Join Forces
10/22/2025

Neutrino Experiments in U.S. and Japan Join Forces

Whitney Clavin

Caltech researchers team up with Japanese scientists to refine what we know about neutrinos

A massive neutrino detector that looks a like a red steel lattice the size of a building.
New Directors Appointed to Burke Institute and Leinweber Forum
10/09/2025

New Directors Appointed to Burke Institute and Leinweber Forum

Cynthia Eller

Xie Chen, the Eddleman Professor of Theoretical Physics, is the new director of the Burke Institute, while Professor of Theoretical Physics Clifford Cheung is the founding director of the new Leinweber Forum.

Clifford Cheung's portrait next to that of Xie Chen
Catalog of Simulations of Black Hole Collisions Expands
10/08/2025

Catalog of Simulations of Black Hole Collisions Expands

Cynthia Eller

A collaboration between physicists at Caltech and other institutions has released an expanded and refined catalog of simulations of black hole mergers.

Two black dots surrounded by swirling waves.
Kareem El-Badry Named a 2025 MacArthur Fellow
10/08/2025

Kareem El-Badry Named a 2025 MacArthur Fellow

Whitney Clavin

Kareem El-Badry Named a 2025 MacArthur Fellow

Kareem wears a tie-dye shirt outside.