Karla Flores had a tumor strangling her spinal cord near the base of her skull. Doctors weighed whether they should attempt a ...

New evidence adds to a 2020 finding that dinosaurs had bone tumors and other conditions seen in modern-day vertebrates. In 2014, researchers discovered a 150-million-year-old ulna of a mamenchisaurid ...

New scans of two fossils cared for by the Natural History Museum are already breaking new ground. A team of scientists led by ...