This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean.

The blue-ringed octopus may be small enough to fit in the palm of your hand, but its venom is among the deadliest biological weapons found anywhere in the animal kingdom. Armed with a neurotoxin ...

Normally, collecting seashells is seen as a pretty low-risk activity, but the scavenge became almost deadly for one Australian who accidentally pocketed a dangerous hitchhiker. On Sunday, 18-year-old ...