They are called plectonemes. They are the analog of the twisted tangles of telephone cords, and can form in DNA that is pulled through a nanoscale channel. This is the finding of a study led by Ulrich ...

In 1957, just four years after Francis Crick and other scientists solved the riddle of DNA’s structure—the now famous double ...

DNA’s chemical cousin, RNA, was the messenger that carries DNA instructions from the double helix in the cell’s nucleus to ...

At school, it's often presented as a tidy double helix but scientists are revealing the varied and intricate shapes of DNA molecules.

DNA evidence preserved on a microscope slide after a 1956 double homicide and the use of forensic genealogy helped a Montana sheriff's office close the books on the 65-year-old cold ...