Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

Almost all animal species -- including humans -- have blood cells, but between different species our blood tells different ...

Scientists at Children's Medical Center Research Institute at UT Southwestern (CRI) have discovered that large pieces of DNA ...

Scientists have uncovered a hidden “sugar code” on the surface of human cells that could transform how diseases are detected.