Scientists thought angiosperms didn’t use animals to spread seeds until after the Age of Dinosaurs. Fossilized fruits from these plants challenge this idea.
Three species that lived about 308 million years ago challenge the idea that the first land vertebrates underwent amphibian-like metamorphosis.
DNA preserved in ancient scat reveals what Yukon ground squirrels ate and what animals shared their world.
A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas.
Scientists use simulated dinosaurs to trigger real insect brains and test how wings originally evolved.
Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest invertebrates ever.
A cave preserved two animals’ rib cages, cartilage and even traces of protein, revealing a flexible breathing apparatus like that of today’s land dwellers.
In 2000, researchers thought they found the oldest fossil octopus, which lived over 300 million years ago. But it may just be a half-rotten nautilus.
Hundreds of Chinese fossils from the dawn of animal evolution may change how scientists think of this critical period of prehistory.
A Utah fossil shows early relatives of spiders and scorpions already had distinctive front claws 500 million years ago.
