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Caltech Mourns the Passing of Jeff Kimble (1949-2024)
09/19/2024

Caltech Mourns the Passing of Jeff Kimble (1949-2024)

Whitney Clavin
Kimble was a pioneer in quantum optics and quantum information science.
Jeff Kimble
Gargantuan Black Hole Jets Are Biggest Seen Yet
09/18/2024

Gargantuan Black Hole Jets Are Biggest Seen Yet

Whitney Clavin
The jumbo jets blast hot plasma well beyond their own host galaxy.
Artwork of a giant jet blasting through the filaments of the cosmic web
Einstein Wrestles with Politics and Physics, 1929–1930
09/03/2024

Einstein Wrestles with Politics and Physics, 1929–1930

Cynthia Eller
Volume 17 of the Einstein Papers Project continues the documentary history of Einstein's writings during his last years living full time in Berlin.
photograph from 1930 of eleven men, one of whom is Albert Einstein, gathered around a radio
NASA's Infrared Survey Telescope Ready to Retire
08/08/2024

NASA's Infrared Survey Telescope Ready to Retire

Whitney Clavin
NEOWISE's enduring infrared eyes, which faithfully scanned the entire sky a whopping 23 times and observed more than 190,000 solar system objects, have closed for good.
Artist's concept of the NEOWISE spacecraft in space.
Dark Matter Flies Ahead of Normal Matter in Mega Galaxy Cluster Collision
07/24/2024

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

Whitney Clavin
The research provides a unique look at how this matter decoupling proceeds.
Artwork of a dark matter flying ahead of normal matter in galaxy cluster collision.
Sun-Like Stars Found Orbiting Hidden Companions
07/16/2024

Sun-Like Stars Found Orbiting Hidden Companions

Whitney Clavin
New observations reveal neutron stars paired with stars like our Sun.
This illustration depicts a binary star system consisting of a dense neutron star and a normal Sun-like star (upper left).
Caltech's Submillimeter Observatory Has Been Removed from Maunakea
07/02/2024

Caltech's Submillimeter Observatory Has Been Removed from Maunakea

The final components of the Caltech Submillimeter Observatory (CSO) have been removed from a valley atop Maunakea in Hawai‘i, and the land at the site has been restored.
Caltech Submillimeter Observatory
Cosmic Simulation Reveals How Black Holes Grow and Evolve
07/02/2024

Cosmic Simulation Reveals How Black Holes Grow and Evolve

Kimm Fesenmaier
A new computer simulation upends ideas about feeding black holes that astronomers have held since the 1970s.
This still shows an accretion disk around a supermassive black hole.
A Big Eye on the Universe: 75 Years of the Palomar Observatory
06/21/2024

A Big Eye on the Universe: 75 Years of the Palomar Observatory

Whitney Clavin
Palomar Observatory’s Hale Telescope still delivers discoveries 75 years after its first light.
Palomar today (left); vintage image of the telescope (right)
The Awakening of a Massive Black Hole
06/18/2024

The Awakening of a Massive Black Hole

Cynthia Eller
A formerly calm, unchanging galaxy becomes very bright, signaling new activity from the massive black hole at its center.
A glowing disc of material with cloudlike material around it are lit up in the center of a dark image with a few bright starlike spots.
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