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 ...

First light is the threshold moment in astronomy when a telescope makes its first observation and opens a new window to discovery. That same spirit of possibility defines the Caltech community.

Kareem El-Badry, associate professor of astronomy at Caltech, has been selected as one of 20 Packard Fellows for 2026. The Packard Fellowships for Science and Engineering provide just under $990,000 ...