Scientists find human DNA preserved in lice cement from the heads of South American mummies.

A report of preserved fragments of nuclei and chromatin in a fossilized femur of a 125-million-year-old Caudipteryx dinosaur elicits skepticism.

An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.

Ultrasound-stimulated microbubbles enable gene delivery to fix fractures.

The new technique helped pig tibias heal in just eight weeks.

Ancient bones of the newly described toothless, stout-nosed dolphin Inermorostrum xenops suggest that it slurped its food.