Warning: Do NOT read any of these facts before bed tonight.

About 96% of the universe is made up of dark matter and dark energy, which are undetectable to humans. Scientists believe ...

Science is full of weird and wacky things. From the way our bodies work to the way that light moves through space, there's a lot that can surprise and intrigue us. Now, a bunch of users on Reddit have ...

Add Yahoo as a preferred source to see more of our stories on Google. Science is supposed to help us make sense of things. At least, the more basic fields are. Those nerds in lab coats figure out what ...

Scientists recently announced they had found potential signs of life on a planet 124 light years from Earth. While the bold claim has been challenged, the mere prospect is enough to inflame a ...

Photo Courtesy Wake Forest Institute for Regeneratie Medicine. Not long ago, it would have sounded like science fiction to discuss growing human organs in the lab or re-writing DNA. Yet today both are ...

The natural world rarely behaves the way we expect. Physics bends intuition. Biology ignores neat categories. Space refuses to be reasonable. Some facts sound like they were invented for a science ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Science is a way of knowing about the world. At once a process, a product, and an ...