Welcome week has concluded with today’s convocation! Our Fall ‘25 Techers are well on their way to having a successful school year. Alum, what’s one piece of advice you wish you’d been given before your first term? #Caltech #Fall2025 #FutureOfSTEM

It’s convocation day! #Fall2025 #Caltech #FutureOfSTEM

Caltech physicists have created the largest qubit array ever assembled: 6,100 neutral-atom qubits trapped in a grid by lasers. Previous arrays of this kind contained only hundreds of qubits. www.caltech.edu/about/news/c...

Celebrating Richard Flagan's 50 years of service to @caltech.edu! Rick arrived in 1975 intending to study combustion chemistry and ended up playing an enormously influential role in developing new instrumentation to quantify atmospheric aerosol and helping to mitigate air pollution in LA and beyond.

The first day of class is just around the corner, so today we welcomed our newest Techers to campus! From housing to student life, our community showed up to help guide these future leaders of research toward the start of their next journey. #Fall2025 #Caltech #FutureOfSTEM

NASA’s Deep Space Optical Communications technology successfully showed that data encoded in lasers could be reliably transmitted, received, and decoded after traveling millions of miles from Earth at distances comparable to Mars. www.jpl.nasa.gov/news/nasas-d...

Caltech scientists have developed an artificial intelligence (AI)–based method that dramatically speeds up calculations of the quantum interactions that take place in materials. www.caltech.edu/about/news/n...

Focused laser-like light that covers a wide range of frequencies is highly desirable for many scientific studies. But creating such broadband and coherent light has been difficult to achieve with anything but bulky energy-hungry tabletop devices. www.caltech.edu/about/news/u...

LIGO, Virgo, and KAGRA celebrate anniversary, announce verification of Stephen Hawking's Black Hole Area Theorem. www.caltech.edu/about/news/t...

In memory of the exemplary scientist David Baltimore, who passed on September 6th, TWiV has re-issued its 100th episode featuring a discussion with him on viruses. Our lab was incredibly fortunate to work with and learn from him since he joined @caltech.edu almost 28 years ago. tinyurl.com/2md4kknj

Caltech researchers have developed a powerful new method for creating embryo-like structures from stem cells that could transform how we study fertility. www.caltech.edu/about/news/s...

David Baltimore, President Emeritus and the Judge Shirley Hufstedler Professor of Biology, Emeritus at Caltech and a co-recipient of the 1975 Nobel Prize in Physiology or Medicine, passed away on September 6, 2025. He was 87 years old. www.caltech.edu/about/news/c...

Researchers at Caltech and Gran Sasso Science Institute in Italy teamed up with Google DeepMind to develop a new AI method–called Deep Loop Shaping–that can better hush unwanted noise in LIGO's detectors. www.caltech.edu/about/news/a...

Caltech researchers have been developing a neural network made out of strands of DNA instead of electronic parts that carries out computation through chemical reactions rather than digital signals. www.caltech.edu/about/news/d...

A new study from Caltech reports that two candidate drugs to activate mitophagy do not function in their intended manner to mitigate the effects of Parkinson's; instead, they simply damage cells. www.caltech.edu/about/news/p...

Investigating solar corona structures has led Paul Bellan, Caltech professor of applied physics, and his former graduate student Yang Zhang (PhD '24) to discover a new equilibrium state of the magnetic field and its associated plasma. www.caltech.edu/about/news/b...

We congratulate Prof. Andrei Faraon on his appointment as Director of the Kavli Nanoscience Institute at @caltech.edu, who will continue to build on the outstanding work of his predecessor Prof. Julia Greer. Learn more: http://bit.ly/3Hy6bKC #KavliNano

A new case of the plague has been located in El Dorado county, but should you be concerned? How do scientists predict the spread of a virus? Learn how disease modeling works and why it matters on the #CaltechScienceExchange. scienceexchange.caltech.edu/topics/covid...

Three innovative new projects to explore Earth and the cosmos have been selected to move forward through the Brinson Exploration Hub at Caltech. www.caltech.edu/about/news/b...

Neurons are the primary cells responsible for receiving and sending signals throughout the brain and nervous system. The human brain contains approximately 86 billion neurons, with trillions of connections among them. scienceexchange.caltech.edu/topics/neuro...

While conventional computers store information in the form of bits, fundamental pieces of logic that take a value of either 0 or 1, quantum computers are based on qubits. www.caltech.edu/about/news/u...

A new study from Caltech uses satellite imaging of the Sagaing Fault's motion to improve models of how such faults may behave in the future. www.caltech.edu/about/news/i...

Astronomers have used NASA's James Webb Space Telescope to find strong evidence for a planet orbiting a star in the triple system closest to our own Sun. www.caltech.edu/about/news/e...

We want our experts to answer your scientific questions! Submit yours through the link below for a chance to have it answered in a future Science Exchange post! scienceexchange.caltech.edu/connect/ask-...

Using lamprey as a model organism, Caltech researchers have discovered how the evolutionary acquisition of a certain kind of stem cell, called a neural crest cell, facilitated the evolution of the endostyle into the thyroid. www.caltech.edu/about/news/h...

Results could help researchers understand the fundamental limits of what is learnable in the quantum universe. www.caltech.edu/about/news/q...

Caltech scientists have developed a method to create metallic objects of a precisely specified shape and composition, giving them unprecedented control of the metallic mixtures they create and the enhanced properties those creations will display. www.caltech.edu/about/news/b...

Tsunamis often start with an earthquake. Dr. Lucy Jones walks us through how it happens. Learn more here: scienceexchange.caltech.edu/topics/earth...

To help capture the impact of Caltech research and provide information on the federal funding that helps support it, the Office of Communications and External Relations has created the Investing in Innovation site at ResearchImpact.Caltech.edu. www.caltech.edu/about/news/n...

Jennifer Jackson, the William E. Leonhard Professor of Mineral Physics, has been named a vice provost at Caltech. www.caltech.edu/about/news/j...

Hirosi Ooguri, the Fred Kavli Professor of Theoretical Physics and Mathematics at Caltech, will become the next chair of the Division of Physics, Mathematics and Astronomy (PMA) on August 16, 2025. www.caltech.edu/about/news/n...

At any one time, most people are pursuing multiple goals. When confronted with such variety, how do we choose which goals we will attend to at any given time? www.caltech.edu/about/news/w...

The LIGO-Virgo-KAGRA (LVK) Collaboration has detected the merger of the most massive black holes ever observed with gravitational waves using the US National Science Foundation (NSF)-funded LIGO observatories. www.caltech.edu/about/news/l...

We now have 18 (EIGHTEEN❗️) fascinating episodes of Election Science Office Hours available to watch on YouTube or listen to via podcast on Apple Podcasts and Spotify. Visit the @caltech.edu Election Integrity Project's ESOH web page here to catch up: lindeinstitute.caltech.edu/research/lcs...

Observations from the survey camera helped pinpoint the object's path through the solar system. www.caltech.edu/about/news/z...

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent particle interactions. www.caltech.edu/about/news/a...

#LetsTalk What is your current STEM obsession? What should more people be talking about? We want to know!

Quantum field theory is impressive in the predictions it is able to make about phenomena that are later confirmed in the lab. But the way it gets to these successful predictions is, in Sebens's words, "a ton of work. www.caltech.edu/about/news/c...

New findings show that certain explosive star systems may form with help of third star. www.caltech.edu/about/news/t...

Over the last five years, Hoelz, Friedman, and other scientists in the field have identified a gene that makes people more susceptible to hearing loss and started exploring ways to strengthen the inner ear hair cells to protect hearing. www.caltech.edu/about/news/p...

Congrats to #UBMAE SUNY Distinguished Professor Deborah Chung on being named a recipient of the 2025 Distinguished Alumni Award from California Institute of Technology! This award is the highest honor presented by @caltech.edu to its graduates. Read more ⬇️ engineering.buffalo.edu/home/news/se...

Caltech researchers navigate AI’s shifting landscape and complex future, charting a course for its ethical development and application. magazine.caltech.edu/post/kaleido...

A Caltech-led team has developed a safe, effective, and painless breast imaging technique that incorporates machine learning to help differentiate between suspicious and healthy tissue. www.caltech.edu/about/news/a...

Chi Nguyen remembers the moment she plugged her laptop into a large monitor in a conference room and onlookers began to cheer. She was presenting a team with the first "aliveness test" image taken by the agency's space telescope SPHEREx. www.caltech.edu/about/news/b...

Scientists are increasingly finding that the gastrointestinal tract plays a vital role in our overall health. While its main functions center around digestion, the GI tract is also involved in other areas that can affect mood and brain function. www.caltech.edu/about/news/n...

What if a machine could suck up carbon dioxide from the atmosphere, run it through a series of chemical reactions, and essentially spit out industrially useful plastic? www.caltech.edu/about/news/m...

Caltech professor of chemistry Sandeep Sharma and colleagues from IBM and the RIKEN Center for Computational Science in Japan are giving us a glimpse of the future of computing. www.caltech.edu/about/news/n...

New research from Caltech and UC Berkeley has identified the circuit of genes controlling Zebrafish’s ability to regrow and repair their hearts after damage. www.caltech.edu/about/news/g...

How do we know exactly what is happening at a molecular level during extremely fast processes? Understanding which molecules are present gives scientists a way of understanding the inner workings of the chemical processes taking place. www.caltech.edu/about/news/s...

The vast majority of matter in the universe is dark—it is entirely invisible and detected only through its gravitational effects. Using Caltech's DSA-110 radio telescope, astronomers pinpoint whereabouts of "fog" between galaxies. www.caltech.edu/about/news/m...