Snowflakes provide many of us with our earliest impressions of what it means to be unique. Even within a group—the flakes so ...

Nearly 125 years after Pablo Picasso painted one portrait, high-tech imaging tools have revealed a secret — another, earlier ...

X-ray and infrared imaging has revealed a long-hidden painting beneath "Portrait of Mateu Fernández de Soto," providing ...

Enormous dimensions, complicated military calculations, and thousands of vacuum tubes—this was the early supercomputer.