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

"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 Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

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 ...

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 ...

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 ...

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.

Thousands of species of frogs, salamanders and legless caecilians are at risk of disappearing forever. Facing a unique cocktail of threats, including habitat destruction, disease and climate change, ...

These were the predecessors to today's land vertebrates - amphibians, reptiles, birds and mammals. Spending much of its time in lakes and rivers, Whatcheeria reached about 7 feet (2 meters) long ...

Caecilian amphibians are one of the least known vertebrate groups. The researchers were able to observe that the females of egg-laying amphibians, such as the species Siphonops annulatus, provide ...