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

We are all talking about so-called "dark empaths" – but how would we know one if we met one? David Robson looks at the research behind the social media hype ...

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.