A fossil discovered inside a garden retaining wall in Australia has revealed a previously unknown Triassic amphibian that ...

Inside the twisting tunnels of Mammoth Cave, the world’s largest cave system, scientists have uncovered fossilized remains of ...

Add Yahoo as a preferred source to see more of our stories on Google. Tuna evolution after asteroid extinction unfolded slowly, as size and warm-blooded traits appeared millions of years apart.

An international team of researchers, led by paleontologists of the University of Liège, has investigated the biting capabilities of extinct predatory marine reptiles, revealing how these formidable ...

A new study led by researchers at the University of California, Santa Cruz, has overturned decades of assumptions about Miracinonyx trumani, the extinct predator popularly known as the American ...

Helicoprion was an enormous prehistoric predator estimated at more than 25 feet long, but its bizarre teeth made it truly ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have used DNA and RNA from a preserved thylacine (Tasmanian tiger) head to reconstruct nearly the entire genome of the ...

Tasmanian tigers, otherwise known as thylacines, were about half the size scientists once estimated them to be. This development has suggested that the now-extinct marsupials were about the size of ...

The extinct predator known for decades as the “American cheetah” may have been one of the most misunderstood large cats of Ice Age North America. Ancient DNA from Miracinonyx trumani now shows that ...

From brightly colored birds to the much-loved sugar glider, Australia's native animals are a sight to behold. The island continent is home to nearly 600,000 plants, animals and insects, many of which ...

Tunas did not become large, fast and warm-blooded simply because an asteroid cleared the oceans of competing predators. Their defining traits appeared separately over tens of millions of years, ...