Unexpected slowdowns or spikes in this signal were often interpreted as knots in DNA. But now, a new study published Aug. 12 ...

The first crystal structure of an alternative DNA shape from the insulin gene has been revealed.

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

Rosalind Franklin was excluded from the Nobel Prize that was awarded for the discovery of DNA's structure.