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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists are only aware of around 1.5 million animals of the millions that have existed since the inception of time, long even ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. From the ...

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 ...