The Mesozoic Period produced some of the largest and most unusual herbivores ever to walk the Earth. Fossils reveal ...

When dinosaurs roamed Earth, their surroundings looked very different than the world of today. But there were also some similarities. And now scientists have confirmed a new one: Diverse firefly ...

When searching for exoplanets with potentially habitable atmospheres, astronomers really only have Earth as an example of what to look for. But a new study says that a past era of Earth may be a ...

An international team of paleontologists, geoscientists and biologists has found via analysis of melanosome patterns in ...

A ‘one of a kind’ fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate evolution.

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 ecological ...

When people think of prehistoric life, they tend to jump to two behemoth bookends — the towering dinosaurs of the Mesozoic era and then the woolly mammoths of the ice age. But what about the millions ...

The early mammals that lived alongside the dinosaurs upwards of 150 million years ago (mya) were likely covered in dark and dusky greyish-brown fur, according to a quantitative reconstruction of ...

The discovery of a creature described as resembling a "buck-toothed toucan" that lived some 68 million years ago has upended assumptions about diversity in the birds that lived alongside dinosaurs. At ...