A Caltech-led team of biochemists has homed in on an underexplored small transporter called MurJ that is a vital part of the pathway bacteria use to build their chain-mail-like cell wall.
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Scientists at Caltech and Princeton University have now shed fresh light on why antibiotics that work well in laboratory tests often fail against real infections in humans.
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Jean-Laurent Rosenthal's latest book explores French wealth, and its distribution, using data from nearly two centuries of bequest records.
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A trio of Caltech faculty members have been selected to receive the 2026 Sloan Research Fellowship: Elias Most, Huy Tuan Pham, and Lingfu Zhang.
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A new study presents a roadmap for simultaneously combining data on the abundance of greenhouses gases with data on winds to better pinpoint emission sources.
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Brian Stoltz, the Victor and Elizabeth Atkins Professor of Chemistry and Heritage Medical Research Institute Investigator, has been awarded this year's Shirley M. Malcom Prize for Excellence in Mentoring.
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Sarah Reisman, Bren Professor of Chemistry and Norman Davidson Leadership Chair of the Division of Chemistry and Chemical Engineering, has been awarded this year's Richard P. Feynman Prize for Excellence in Teaching, Caltech's highest teaching prize.
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Scientists sifting through archival data captured by NASA's former NEOWISE mission found an unusual star that quickly disappeared, fading to nothing more than a wispy shell.
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The planets in our solar system grew out of a disk of material that swirled around our Sun. Inner rocky planets formed as tiny grains stuck together, becoming pebbles, then boulders, and, ultimately, full-grown planets.
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Caltech's Joseph E. Shepherd (PhD '81) and Shouleh Nikzad (PhD '90), chief technologist at NASA's Jet Propulsion Laboratory (JPL), have been elected to membership in the National Academy of Engineering (NAE).
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Earth's biosphere is brimming with symbiotic relationships: from bacteria that became our cells' mitochondria, to mycorrhizal fungi that help plants grow, to the myriad mites, wasps, worms, and flies that make a living by parasitizing other animals.
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George Rossman (PhD '71), professor of mineralogy, emeritus, passed away on February 6, 2026. He was 81. Rossman will be remembered for his contributions to education at Caltech, which spanned 55 years and impacted thousands of students.
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Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths.
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The best features I've done for @caltech.edu tend to highlight not a particular discovery but the often quirky and very particular culture of science. Like the how and why of naming a newfound mineral:
magazine.caltech.edu/post/mineral...
Can we reimagine the way we power modern life? On Wednesday, February 25, 2026, Kimberly See, professor of chemistry, will discuss her group's research on next-generation battery chemistry that may lead to more efficient and sustainable ways of energizing the world.
www.caltech.edu/about/news/w...
#OTD 40 years ago, IPACers moved to @caltech.edu campus!
This memo details the move to IPAC (the Morrisroe building) the week of February 3rd, 1986. Before moving, IPACers worked in an office building on Lake Avenue, a few blocks from Caltech.
#IPAC40 🔭
I’m proud to represent @caltech.edu, where researchers are connecting ideas from physics and economics to better understand complex systems.
Excited to see this latest breakthrough and grateful for the innovation happening in our district every day. pasadenanow.com/main/economi...
Astronomers have, for the first time, captured a gallery of detailed snapshots of planetary systems during their "teenage years," an era long shrouded in mystery.
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The team of Caltech and USC scientists describe the bubble bots and their successful application in treating bladder tumors in mice in a paper that appears in the February 2 issue of the journal Nature Nanotechnology.
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Fourth-year mathematics undergraduate Akshar Ramkumar has been selected as one of 16 recipients of the Churchill Scholarship, which provides funding for a one-year master's degree at the University of Cambridge.
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Scientists from Caltech and USC have developed a new technique that can quickly provide 3D color images that capture both the structure of soft tissues and details of how the blood vessels are functioning.
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Michael M. Watkins, professor of aerospace and geophysics, has been appointed the new director of the Keck Institute for Space Studies(KISS).
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Caltech researchers have invented a new technology to write long sequences of DNA with groundbreaking accuracy.
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Caltech researchers have invented a new technology to write long sequences of DNA with groundbreaking accuracy.
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Jonas Zmuidzinas (BS '81), the Merle Kingsley Professor of Physics at Caltech, will receive the 2026 James Craig Watson Medal, a National Academy of Sciences honor presented every two years for "outstanding contributions to the science of astronomy."
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Congratulations to Adam Wierman, Carl F Braun Professor of Computing and Mathematical Sciences, on being named a 2025 ACM Fellow.
awards.acm.org/fellows
Jonas Zmuidzinas (BS '81), the Merle Kingsley Professor of Physics at Caltech, will receive the 2026 James Craig Watson Medal, a National Academy of Sciences honor presented every two years for "outstanding contributions to the science of astronomy."
www.caltech.edu/about/news/c...
A new study, which draws on survey data from approximately 3,000 respondents in the United States and Canada, finds that women, on average, exhibit greater skepticism toward artificial intelligence (AI) technologies than men.
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Shri Kulkarni, the George Ellery Hale Professor of Astronomy and Planetary Science, has been awarded the Gold Medal of the Royal Astronomical Society, the highest honor from the organization, awarded annually since 1824.
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A team of scientists led by alumni-founded company Asari AI with researchers from Caltech and MIT, developed a new framework that enables programmers to improve their agent to quickly recover from errors without rewriting the core logic of their agent.
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