To understand how global warming could influence future climate, scientists look to the Paleogene Period that began 66 million years ago, covering a time when Earth’s atmospheric carbon dioxide levels ...

Heatwave temperatures similar to those that set the UK sizzling this summer could become normal by the end of the century if carbon dioxide levels in the atmosphere continue to rise, say scientists. A ...

We here describe the first partial cranium of Hyaenodon leptorhynchus, the type species of the taxonomically diverse and widely distributed hypercarnivorous genus Hyaenodon (Hyaenodonta). The cranium ...