Prehistoric insects reached sizes far beyond anything seen today, driven by environmental conditions that allowed their bodies to grow larger than modern limits. Higher oxygen levels in the atmosphere ...

This dinosaur was one of the most dominant predators in prehistoric South America, shaping an environment defined by constant ...

In northeastern Brazil, a fossil that had quietly sat in a museum for decades has now rewritten a small part of the history of life on Earth. Scientists discovered a new species of flying reptile ...

Long before mammals dominated the land and even before the most famous dinosaurs appeared, Earth was home to a wide variety ...