Picture this: you’re a scientist digging near the Amazon rainforest, and you pull a jawbone out of the ground that looks so ...

Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...

During the course of evolution, the mammalian cranio-mandibular secondary joint—formed by the dentary condyle and the squamosal glenoid fossa, which replaced the reptilian articular–quadrate ...

Digital reconstruction of tiny, 400-million-year-old jawless fish shows how traits for evading predators later gave rise to hunters A fossil the size of a fingernail is rewriting the opening chapter ...

Even with only jaws, Tanyka amnicola adds a new character to an ancient ecosystem that scientists are still trying to sketch ...