Cancer-fighting "chameleon compounds" offer a potentially powerful new approach to treating drug-resistant glioma tumors in the brain and spinal cord.

A new ultra-sensitive DNA test that identifies Lyme disease in horses could have applications for dogs and humans, too, researchers report.

New research reveals that the "guardian of the genome," a protein called RPA, doesn't work alone on DNA repair.

A new study suggests fresh directions for exploring the hypothesis that viruses were essential to the evolution of complex life, including humans.

Rather than simple splitting events, the evolution of polar bears and brown bears are like those of humans, a tangled story of divergence and interbreeding.

Sand and water samples contain enough environmental DNA to track the whereabouts of endangered sea turtles, report researchers.

European colonial forces targeted an Indigenous group in Uruguay, the Charrúa, for elimination. Now, ancient DNA offers a link back.

An unprecedented dataset of ancient African DNA let researchers outline major demographic shifts that took place between about 80,000 and 20,000 years ago.

New research uncovers an even higher degree of organization among elephant ivory smuggling networks than previously known.

New research uncovers an even higher degree of organization among elephant ivory smuggling networks than previously known.