WASHINGTON (Reuters) - About 93 million years ago, a bizarre plankton-eating shark shaped unlike any other known marine creature glided through the sea in what is now northeastern Mexico using ...

There are about 28,000 species of bony fishes — the largest taxonomic group of vertebrates — and they have been around for a very long time (over 400 million years). So it’s no surprise that they have ...

Amphibious fish have evolved a remarkable suite of locomotory strategies that enable them to navigate both aquatic and terrestrial environments. These species exhibit a range of adaptations—from ...

A trove of fossils in China, unearthed in rock dating back some 436 million years, have revealed for the first time that the mysterious galeaspids, a jawless freshwater fish, possessed paired fins. A ...

A trove of fossils, unearthed in rock from China dating back some 436 million years, has revealed for the first time that the mysterious galeaspids, members of an extinct clade of jawless fish, ...

Cartoons that illustrate evolution depict early vertebrates generating primordial limbs as they move onto land for the first time. But new findings indicate that some of these first ambulatory ...

Walking is a lot more complicated than putting one foot in front of the other. For that to happen, motor neurons in the brain and spinal cord must instantaneously coordinate the muscles you need to ...

The life reconstruction of the unusual shark Aquilolamna milarcae, which lived during the Cretaceous Period at the same time as the dinosaurs, is seen in this undated handout image. Its fossil was ...

The discovery, by an international team, led by Min Zhu of the Institute of Vertebrate Palaeontology and Palaeoanthropology, Bejiing and Professor Philip Donoghue from the University of Bristol’s ...