Researchers have created an early map of some of the human body’s estimated 37.2 trillion cells. Each type of cell has a unique role, and knowing what all the cells do can help scientists better ...

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 ...

Our brain is arguably the organ that most distinguishes humans from other primates. Its exceptional size, complexity and capabilities far exceed those of any other species on Earth. Yet humans share ...

New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on ...

Spaceflight makes certain human stem cells age faster, a study finds, furthering the understanding of the possible effects of ...

The hippocampus is an important brain region known to support various cognitive (i.e., mental) processes, including the ...

Scientists at ETH Zurich have broken new ground by generating over 400 types of nerve cells from stem cells in the lab, far surpassing previous efforts that produced only a few dozen. By ...