For more than 25 years, a small, soft-bodied fossil pulled from an Illinois coal mine held a remarkable title: the world’s oldest known octopus. That title is now gone. A team of researchers, led by ...

Fiber optic SERS probes, called “optrodes,” combine spectroscopy with the flexibility and versatility of fiber optic cables.

How do organic solar cells work on the inside? The answer lies in structures far too small to see—and difficult to access ...

Computer chips that cram billions of electronic devices into a few square inches have powered the digital economy and ...