
Animals
Megalodons may have become megahunters by running hot
O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.
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O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.
A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.
Developing in the womb for a while — but being born ready to take on the world — may have helped post-dinosaur mammals rise to dominance.
Once rare, the viral disease monkeypox exploded onto the global scene for the first time in 2022.
Now that monkeypox has spread to a dog, researchers fear other species could help the virus become widespread outside of Africa for the first time.
Changes to monkeys’ habitats — including some forest loss to oil palm plantations — might explain why this animal’s parents mated.
Fossil remains of a flying reptile hint that their vibrant crests may have originated 250 million years ago in a common ancestor with dinosaurs.
The Denisovans were a recently discovered population of ancient hominids.
From museums to movies, these three paleontologists totally rock their connections with the public.
Scientists used new and old tools to overturn 160-year-old ideas about this wasp. They show you can’t tell a wasp by its looks.