Cancer is often thought of as a single disease. Yet even tumors that arise in the same organ can follow very different ...

For a long time, evolutionary biologists have thought that the genetic mutations that drive the evolution of genes and proteins are largely neutral: they're neither good nor bad, but just ordinary ...

Most lethal mutations in wild fruit flies are driven by newly transferred jumping genes, not small DNA errors, according to a ...

CFTR is a protein essential to wet surfaces throughout your body, like the airways of your lungs. People with cystic fibrosis have a gene mutation that causes problems with the protein. Some ...