Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures? In ...

Scientists have uncovered a new mosasaur species, Carinodens, in Morocco, characterized by unique teeth adapted for crushing ...

New research on mosasaurs, based on new technologies and fossil discoveries, sheds light on their evolution, feeding habits, ...

Alaska seabird die-off linked to marine heatwave highlights swift and intense climate impacts on wildlife populations.

WE are all agreed that the four-footed terrestrial vertebrates or Tetrapoda have arisen from some fish-like aquatic ancestor. Two chief changes must have occurred in the passage from water to land ...

Humans aren't alone when it comes to yawning — all vertebrates do it too, including fish, amphibians, reptiles, birds and mammals. But why? The "evolutionarily ancient" act of yawning likely ...

In an article published in the journal Nature Communications, scientists reveal that the regeneration processes in a marine worm, the annelid worm, show similarities to those observed in certain ...

The Hades' snake moray (Uropterygius hades), a dark brown, slender snake moray eel, has chosen the road less traveled, thriving in dim and muddy river mouths, unlike most of its marine moray eel ...

Little penguins travel beneath the zone of highest wave drag close to the surface. Many air-breathing marine vertebrates optimize their swim depth when transiting and not feeding, traveling just deep ...