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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.
Linda Ye Named Moore Fellow in Materials Synthesis
07/31/2024

Linda Ye Named Moore Fellow in Materials Synthesis

Whitney Clavin
The Gordon and Betty Moore Foundation has named Linda Ye, assistant professor of physics, a 2024 Moore Fellow in Materials Synthesis.
Linda Ye
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.
100th Stargazing Lecture at Caltech Features Kip Thorne
07/19/2024

100th Stargazing Lecture at Caltech Features Kip Thorne

Ann Motrunich
Thorne surveyed the science of warped space and time in a talk on campus.
People gather around a telescope on a lawn with Beckman Auditorium in the background
Graduate Students Present Everhart Lectures on Gravitational Memory and Genome Defense
07/18/2024

Graduate Students Present Everhart Lectures on Gravitational Memory and Genome Defense

Julia Ehlert
Two recent PhD graduates, Keefe Mitman and Peiwei Chen, delivered Everhart Lectures about their research on gravitational memory and evolutionary innovations in genome defense, respectively.
Peiwei Chen and Keefe Mitman
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.