A newly designed optical centrifuge allows scientists to control molecular rotation inside superfluid helium nano-droplets.

President Barack Obama delivered a moving tribute to Rev. Jesse Jackson during the civil rights leader's "Homegoing" service on Friday.

When most people think of American food, their minds jump to New York pizza, Texas barbecue, or New Orleans gumbo. Those are obvious choices, fair enough. Yet America is genuinely enormous, and its ...

Every time we feel a gentle tap on the skin, specialized nerve cells convert that physical force into an electrical signal ...