Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog-like creature that was ...
A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey ...
Scientists have discovered 280 million-year-old fossil remains of a predator that gave rise to all mammals. This ancient animal, which does not yet have a species name, is the member of an ...
Fossils of mammals and reptiles have also been unearthed this year, including extinct animals such as ancient pandas and stegodon, which are related to modern elephants. According to the ...
Fossils of the oldest saber-toothed predator are helping researchers understand the evolution of early mammal relatives called gorgonopsians and our shared origins in the therapsid group.