Discover the wide range of fish and freshwater creatures that call the Tennessee River and its surrounding valley home.

Deep in the waters along the Atlantic Coast swims a fish that looks like it’s smiling—because it almost is. Known as the ...

Meet the telescopefish, a ghostly predator with tubular eyes and a jaw that unhinges to swallow prey larger than itself.

Traditionally, paleoanthropologists believed that Homo habilis, as the earliest big-brained humans, was responsible for the earliest sites with tools. The idea has been that Homo habilis was the ...

The extinct animal's face structure could help explain how vertebrates, including ourselves, evolved our distinctive look.

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, ...

New research explores how diet, evolution, and facial anatomy may have shaped our modern smiles. Studies of ancient skulls show wider jaws and fewer malocclusions, leading researchers to explore how ...

Ian Towle receives funding from the Australian Research Council (ARC DP240101081). Luca Fiorenza receives funding from the Australian Research Council (ARC DP240101081). For decades, small grooves on ...

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans ...

To say spotted ratfish are unusual is an understatement. Related to sharks, they abound in the inky dark depths of the Puget Sound. Armed with a venomous fin, they swim gracefully along the sea floor ...

An ASU research team has discovered 13 ancient human teeth in Ethiopia, dating back to 2.6 to 2.8 million years ago, that appear to be different from any previously known species. According to ...

When it comes to teeth, vertebrates have a lot in common. No matter the shape, size or sharpness, teeth share genetic origins, physical characteristics and, of course, a home in the jaw. New findings ...