Fossils
This bizarre ancient predator snagged soft prey
Scientists are rethinking how this extinct creature used the spiky limbs sticking out of its face to hunt.
By Nikk Ogasa
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Scientists are rethinking how this extinct creature used the spiky limbs sticking out of its face to hunt.
O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.
Ecological relationships between predators and their prey drive the evolution of plants, animals and microbes.
These marine mammals sleep only minutes at a time on months-long trips at sea.
The difference between a dog and a wolf isn’t looks or genes or even behavior. It’s the relationship these animals have with people.
Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.
Dinosaurs like Tyrannosaurus have long been portrayed with their big teeth bared. But new research suggests this wasn’t so.
With layers that work like polar bears’ skin and fur, a material absorbs light and keeps it from escaping.
This bird from 120 million years ago had a head like a dinosaur and a body more like today’s birds.
A new look at an ancient sea animal called Essexella suggests it may have been a type of burrowing sea anemone, not a floating jelly.