More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...

Researchers examined small fossilized limb bone fragments from marsupial and placental mammals in Western North America.

Learn more about the mammalian transition from arboreal to terrestrial life, which began millions of years before the arrival ...

Recent research conducted by the University of Bristol hypothesizes that mammals started to adapt to a more ground-oriented ...

Our dinosaur expert Dr Susie Maidment and fossil plant expert Dr Paul Kenrick explore what the world was like back then and the animals and plants that called our planet home. The Cretaceous is a ...

Flowering plants were spreading across the landscape ... of more than half the planet's species at the end of the Cretaceous remains a matter of scientific debate. But the shifted continents ...

during the Cretaceous period. That's relatively recent in geologic time: If all Earth's history were compressed into an hour, flowering plants would exist for only the last 90 seconds. But once ...

Other groups of organisms also diversified. The first snakes evolved during this time, and by the end of the Cretaceous, flowering plants were a much more common part of Earth's plant life. Various ...

A new dinosaur species, Duonychus tsogtbaatari, was discovered in Mongolia's Gobi Desert. This therizinosaurs member featured ...

For months, scientists conclude, dense clouds of dust blocked the sun's rays, darkening and chilling Earth to deadly levels for most plants and ... than average in the Cretaceous/Tertiary ...

A known treasure trove of Early Cretaceous fossils has turned up a never-before-seen species of scorpion that lived around 125 million years ago. The venomous scorpion was larger than many ancient ...

Transactions of the Annual Meetings of the Kansas Academy of Science Vol. 17, 1899 - 1900 The Dakota Cretaceous of Kansas and Nebr... The Dakota Cretaceous of Kansas and Nebraska This is the metadata ...