Three closely related species of the irregular echinoid Oligopygus succeed one another in the late Eocene deposits of Florida. This apparent lineage, where each species is similar but larger than the ...

The reign of the dinosaurs came to a catastrophic end 66 million years ago. That’s the common trope, anyway – a holdover from before we recognized that at least one feathery lineage survived and ...

A study by the UPV/EHU-University of the Basque Country into the paleodiet of extinct paleotheriidae (or pseudo horses) provides information about their feeding strategy and the environment they ...

A new international analysis of marine fossils shows that warming of the polar oceans during the Eocene, a greenhouse period that provides a glimpse of Earth's potential future climate, was greater ...

Figure 2: Model results simulating competing hypotheses and comparison to available data. We test a third process (H1c) for increased organic carbon burial (increased nutrient delivery to the oceans) ...

It's not often you find the term "gastronomically familiar" in a Nature article, much less in its very first sentence. But there are a number of unusual aspects to a paper on the origins of flatfish ...

The glacial cycles that have dominated the Earth's recent past have been driven by a combination of orbital cycles and greenhouse forcing. But the relatively cool, rhythmic cycles appear to be an ...