DNA isn't just a long string of genetic code, but an intricate 3D structure folded inside each cell. That means the tools ...

Photos and letters show how James Watson and Francis Crick raced to uncover the double helix structure of DNA.

If you liked this story, share it with other people. Tyler Kartzinel likens protecting biodiversity to enhancing cellphone networks. His analogy is pretty straightforward: look for gaps in coverage, ...

Cancer’s genetic fingerprints may lurk in people’s blood long before they find out about the disease. It’s possible to spot tumor DNA more than three years before a person is diagnosed with cancer, ...

Hitler had Kalman syndrome, a sexual disorder, researchers found. Adolf Hitler had a sexual disorder that made it more likely ...