Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living ...

New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces ...

They’re as bright as fireflies, but far harder to find. Still, experts say it’s worth seeking a glimpse of these stunning ...

The blue shark (Prionace glauca) might be more than its name. Scientists investigating the sleek ocean predator's skin ...

Learn more about the tiny crystalline dermal denticles, tooth-like scales that allow the blue shark to change colors.