It is believed that metriorhynchids were more apparent during the Jurassic, but this evidence from the Cretaceous period exhibits their evolution through the final part of the Mesozoic era, living ...

A new study finds that the Mesozoic Era saw significantly higher quantities of the greenhouse gas than both pre-industrial ...

An analysis of the fossilized skulls of the largest predatory dinosaurs in the world has revealed differences in their ...

A new review scrutinizes recent fossil and genomic evidence to address the long-standing debate over the origin of modern birds. It highlights growing support for a Late Cretaceous origin of major ...

The most diverse birds during the Cretaceous Period were a now-extinct group called enantiornithines, known from all over the world during this time. However, enantiornithines and other Mesozoic ...

Triple oxygen isotope levels in dinosaur teeth reveal that carbon dioxide levels were 1,200 ppm in the late Jurassic period.

The Mesozoic era, traditionally renowned as the age of dinosaurs, also marks a period of remarkable innovation in the evolution of early mammals. Mammaliaforms diversified into a variety of ...

These sites range from the Barberton Makhonjwa Mountains, with rocks dating back 3.6 billion years, to the Burgess Shale, ...

A Study Says the Mesozoic Era Is the Key to Finding the Elusive Second Earth in Space To sniff out complex life in its prime, scientists say we need to turn to the dinosaurs.