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 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 ...

The ischyromyids are the most primitive rodents that have a Holarctic Paleogene distribution. Members of the family are predominant in Paleogene rodents of North America, but are relatively rare in ...

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 ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

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 ...

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects. Throughout Earth’s history, the planet has been struck by multiple asteroids, ...

A new genus of Theaceae, Andrewsiocarpon, from the Middle Eocene of southeastern North America, is described based on fruit and seed remains. Andrewsiocarpon is a loculicidally dehiscent five-valved ...