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 ...

While the origin of flowering plants may go back as far as the Triassic Period, we don't see much evidence of them in the fossil record at the start of the Cretaceous. However, by the end of the ...

"It was already known that plant life changed toward the end of the Cretaceous, with flowering plants creating more diverse habitats on the ground," Professor Janis noted. "What had not been ...

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 ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to their lifestyle.

Small fossils show mammals moved to the ground before the dinosaurs vanished. New plants changed habitats, giving better food ...

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 ...

Long before the asteroid hit Earth and wiped out the dinosaurs, many mammals had already started living on the ground, according to new research led by the University of Bristol. This surprising ...