Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

Scientists refine the timeline of sponge origins, showing soft-bodied ancestors likely evolved later than some chemical ...

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

In many cultures, animals have long been seen as more than just companions or wild creatures. They carry messages, symbols, ...

Speed and cunning are great qualities to possess if you are an animal that needs to escape a predator. Even better is shear ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic possibility” that insects, octopuses, crustaceans, fish and other overlooked animals experience ...

In a world first that challenges what we thought we knew about biology, scientists have successfully engineered animal cells that can photosynthesize. The breakthrough promises to revolutionize ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.