Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Blue is one of the rarest colors in the animal kingdom, and unlike other pigments found in nature, most blue creatures don’t actually produce blue pigment. Instead, their color comes from structural ...

Apart from fossils, some animal species also testify to how big their predecessors were before evolution. Although many of ...

A new study on blue sharks shows that their movement patterns in the open ocean are closely linked to internal energy stores ...

Q. I live near Charleston, South Carolina, and recently spotted a blue anole sunning itself. I am familiar with our common green and brown anoles, but this one made me look twice. His tail had been ...

Some animals do not have red blood like humans. From spiders to octopuses, their copper-rich blue blood helps them survive ...

Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific genes. Despite that, many species still have beautifully rich blue eyes. While ...

Peacocks, panther chameleons, scarlet macaws, clown fish, toucans, blue-ringed octopuses, and so many more: The animal kingdom has countless denizens with extraordinarily colorful beauty. But in many ...

Find out exactly how big the biggest whale on Earth is and why blue whales can grow so huge when they only eat tiny creatures ...

This blog explores animals in the shades that often represent the emotions and preferences of people. Whether your favorite shade is red, blue, green, yellow, pink, purple, black, or white, there is ...

The color blue is a very common favorite color for humans, but it is not seen in plants and animals very often. According to scientists from the University of Adelaide in Australia, this is partially ...