Measuring no bigger than 0.2 inches (2.5 centimeters), the sparklemuffin peacock spider is, arguably, one of the cutest ...

Gleaming in the air, the iridescent blue morpho protects itself from predators using the power of light. Native to the rainforests of Mexico, Central America and South America, this bright blue ...

Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating ...

Blue-ringed octopuses are undeniably stunning. When they are alarmed, these animals will show off the eponymous iridescent blue rings that cover their body and arms. But their adorably small size and ...

Picture an octopus that could be deadly to humans. You’re probably thinking of a large creature, and not one that is the size of your palm. But indeed, that’s the blue-ringed octopus, one of several ...

Now, for the first time in more than eight decades, the iridescent, blue-green fish are once again swimming in the northern waterway, the California Department of Fish and Wildlife announced in a ...

Aside from being one of the largest butterflies in the world, the Morpho butterfly is known for its iridescent, bright blue wings that span from five to eight inches wide. According to Lisa ...