This ancient reptile’s jawbone was unearthed in Arizona in 2011 and was confirmed to be a new species with the aid of modern ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

"Our analyses show the direct connection." Scientists issue warning after discovering clear pattern among amphibians: 'This will likely get worse in the future' first appeared on The Cool Down.

A major class of vertebrate species is experiencing widespread population declines due to climate change, according to new research. Amphibians, the most threatened class of vertebrates, are ...

Chytridiomycosis, the worst vertebrate disease in recorded history, has already wiped out hundreds of amphibian species globally. Only species in Africa seem to have been relatively spared this ...

Protecting large swaths of Earth’s land can help stem the tide of biodiversity loss—including for vertebrates like amphibians, reptiles, mammals and birds, according to a new study published in Nature ...

The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

The Global Amphibian Assessment is the second of its kind. The first assessment was completed in 2004, offering scientists a baseline of data to measure extinction risk for this latest study.