Humans throughout history have invented a variety of ways to fight back against troublesome bacteria. But bacteria live in a dangerous world too. The human body and other bacteria-rich environments ...

The writer Malcolm Gladwell popularized the term "tipping points" to refer to the moment when a trend or social behavior crosses a threshold and rapidly spreads everywhere. In physics, tipping points ...

Limbs evolved as a means of locomotion. From the primitive rotating flagella of bacteria to the wings of flies and even our own legs, animals use these appendages to travel to find food or mates, or ...

When Alex Blum was growing up in the Black Forest region of Germany, he was consumed by what some might consider an unusual pastime: reading fantasy books and trying to reconstruct the implicit ...

Although increased cell proliferation is a hallmark of cancerous tissues, in some cases, it may actually be protective against tumor growth, according to a new study from Caltech researchers. Using ...

Two new multi-institution collaborations led by Caltech scientists have been selected to receive first-round funding from the U.S. Department of Energy (DOE) as part of the Genesis Mission, a national ...

Rudolph A. (Rudy) Marcus, Caltech's John G. Kirkwood and Arthur A. Noyes Professor of Chemistry, passed away on July 16, 2026. The prolific chemist, who approached theory with infinite curiosity and ...

Our cosmos is awash with radio waves, originating from fierce jets blasting out of distant black holes, blinking dead stars closer to home, and many other exotic objects. To observe radio waves—which ...

Each investigator, recognized for curiosity-driven research in chemistry or physics, will receive up to $2 million over five years The Brown Institute for Basic Sciences at Caltech today announced the ...

If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by subatomic particles like protons and the quarks and gluons that make them up.

Quantum computers of the future may be closer to reality thanks to new research from Caltech and Oratomic, a Caltech-linked start-up company. Theorists and experimentalists teamed up to develop a new ...

One year after the 2025 Los Angeles fires, Caltech researchers are pressing forward with research projects to provide answers in service of public health and safety. Through investigations that ...