A bizarre reptile once scurried through the Triassic treetops with an extravagant crest on its back, one made from neither scale, nor bone, nor feather. The extinct creature's 247-million-year-old ...

In northeastern Brazil, a fossil that had quietly sat in a museum for decades has now rewritten a small part of the history ...

The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum in ancient lagoons, new research reveals it spent its time climbing trees ...

PHOENIX — Fossils from the Petrified Forest National Park, in northern Arizona, revealed a new reptile species that thrived during the Triassic Period. Paleontologists and partners with the ...

James Martin and the other eight members of his expedition to Antarctica are no strangers to hardship. They have camped out in freezing temperatures, endured week-long wind storms, and hiked across ...

Scientists discovered fossilized reptile skin in an Oklahoma cave, revealing the oldest known example dating back nearly 300 million years.

For 24 years, a nearly complete ichthyosaur skeleton gathered dust in a Canadian museum, overlooked amid thousands of fossils ...

The newly classified species, named Plesionectes longicollum ("long-necked near-swimmer"), represents a previously unknown type of plesiosauroid—the group of long-necked marine reptiles that inhabited ...

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the first animals emerged ...

Marine palaeoecosystems of the past are intricately linked with the diverse assemblages of fossil reptiles especially in the Mesozoic. Recent work has shown a much greater diversity of such Mesozoic ...

An artist's impression of the Late Cretaceous crocodilian Deinosuchus riograndensis and a much smaller, early alligator relative. Márton Szabó More than 75 million ...

Rocks have been found to hold many traces of Earth's ancient history, but usually geologists have to seek them out. Every once in a while, however, these imprints of times past are found by ...