It's a major discovery of the 21st century: knowing the structure of DNA has revolutionized our knowledge of life, medicine and science as a whole. In this TED Talk, Nobel Laureate James Watson ...

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 ...

On February 28, 1953, two scientists, James Watson and Francis Crick, announced they had figured out the structure of DNA.

Mayo Clinic researchers have identified a protein that acts like a traffic controller for DNA, preventing damage during cell division—a discovery that could lead to new cancer therapies, according to ...