James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. He was 97. The ...

For decades, biology textbooks taught that DNA’s story could be told with a single image: two elegant strands twisting in a ...

Obit James Watson FILE - President of the Russian Academy of Sciences Vladimir Fortov, right, returns a Nobel prize medal which was sold at auction to a Russian ...

On a foggy Saturday morning in 1953, a tall, skinny 24-year-old man fiddled with shapes he had cut out of cardboard. They represented fragments of a DNA molecule, and young James Watson was trying to ...