It’s an octopus-eat-octopus world. Scientists have discovered that mating, male blue-lined octopuses will inject a powerful, ...

Octopuses can open jars, use tools, solve puzzles and even recognize individual human faces staring back at them through aquarium glass. Should they serve as menu items, too? Whether stuffed into ...

Ectopic pregnancy is a life-threatening condition that happens when a fertilized egg implants itself outside of the uterus. If the egg is left to grow where it’s not supposed to, it can cause all ...

Crabs can't swim all that fast, so nature has granted them defensive traits that make them the impenetrable forts of the underwater world. Their steel-tough exoskeletons have jagged points that make ...