Some wolves are born with a capacity to bond with people, new research finds.
The fossils suggest that ancient scorpions crawled out of the seas and onto land earlier than thought.
A lizard's penis evolves six times faster than any of its other parts.
Black widow spiders have rapidly evolved super lethal venom, such that the spiders are now building stronger webs to handle ever-bigger prey. Continue reading →
Fossilized rod and cone cells — the kinds that help people see — have been discovered for the first time.
In a bid to look unattractive to predators, the nestlings not only look like caterpillars but move just like them, too.
The revised look at bird development shows some surprising relationships and also details how characteristics such as birdsong evolved.
The lack of teeth in all living birds can be traced back to a common ancestor who lost its choppers about 116 million years ago.
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