From periods of rapid aging in our 40s and 60s to ancient brains that don’t decompose, here are some of the year’s most intriguing stories about human biology It can sometimes feel like health ...

Despite centuries of study, scientists are still finding new details and even overlooked structures within the human body. As researchers explore anatomical differences between individuals, it’s ...

The human body is one of the most complex creations of nature. From school biology lessons, we learn about organs, cells, and functions, yet even scientists admit there’s always more to discover.

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 ...

Scientists have discovered that the human body undergoes a dramatic internal transformation during extended fasting, with major changes appearing only after about three days without food. In a ...

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 ...

An international team of researchers, led by the University of Queensland and Imperial College London, has proposed a new framework for scientists detecting and measuring microplastics in the human ...

Most of us walk around every day thinking we know exactly how our own skin and bones operate, but the reality is that the human body is a collection of high-tech systems that would make a sci-fi ...

The human body is an extraordinary biological machine that operates 24/7 for decades without requiring a manual or technical support. Every second, millions of cellular processes unfold within you — ...