Some people may worry about being bitten by a snake or spider, but have you ever considered what would happen if a small ...

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 ...

Explore the most baffling mysteries of the human body in this fascinating video. Discover unexplained phenomena, strange biological quirks, and the latest scientific theories behind our body's ...

Understanding how bone marrow produces blood–and how this whole process can fail–is critical to fighting blood cancers and ...

There are 118 elements on the period i c table, and you might think we are made up of many of them. But that's not the case; the complex systems that make up our bodies have a surprisingly simple ...

It seems like every week, there’s a new headline about some kind of sci-fi-esque organ transplant. Think eyeballs, 3D-printed kidneys, pig hearts. In her new book, Replaceable You: Adventures in Human ...