A newly identified class of RNA molecules has been discovered in bacteria living inside the human body. These circular ...

The human body is an amazing, curious, and disgusting thing. At any given moment, millions of tiny lifeforms are making their way across your body—both inside and out. And now, researchers say they've ...

If every mineral tells a story, then geologists now have their equivalent of The Arabian Nights. For the first time, scientists have cataloged every different way that every known mineral can form and ...