The ability, known as protrusion, allows fish to extend their jaw and snap up otherwise elusive prey, making them effective hunters.
The wing has the oldest occurrence of connective tissue in association with flight feathers of birds.
We have spiders to thank (or not to thank) for knees, with the consolation that spiders have 48 knees while we only have two.
Snakes lack limbs, but new research finds that they still have DNA crucial to limb development lurking in their genomes.
Researchers from Lund University in Sweden have shown that well-developed eyes come at a surprising cost to other organ systems.
A larger mouth can improve feasting, as demonstrated by a newly identified prehistoric shark that could take in enormous quantities of food.
A new study demonstrates what the world would look like for mammals if the most destructive super predator of them all had never been around.
Long before dinosaurs and humans there was a spider relative, shaped like a Greek warship, which swam around Iowa seeking prey.
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