One of the first toothed birds ever discovered, Hesperornis paddled with its hind feet to hunt fish and evade marine reptiles in warm, Cretaceous seas. UnexpectedDinoLesson via Wikimedia under CC ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When dinosaurs ...

This documentary explores the unusual evolution of Dromaeosaurs, the strange carnivores that defied typical dinosaur design. Scientists reveal how their mix of feathers, oversized claws, and agile ...

The Toarcian Oceanic Anoxic Event (T-OAE), a major environmental upheaval occurring approximately 183 million years ago during the Mesozoic Era, stands as one of the most severe perturbations to Earth ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The Mesozoic was not a ‘dinosaurs-only theme ...

In the Mesozoic, the time of the dinosaurs, from 252 to 66 million years ago, marine reptiles such as ichthyosaurs and plesiosaurs were top predators in the oceans. But their origins and early rise to ...

Forbes contributors publish independent expert analyses and insights. I'm all about movies, TV, toys, and sometimes theme parks. Sep 17, 2019, 12:01pm EDT Sep 17, 2019, 12:01pm EDT This article is ...

Imagine trudging through a fern-filled forest 150 million years ago, and witnessing a towering mama dinosaursaurus giving a nice dressing down to a baby dinosaursaurus for having too much screentime!