For more than a century, fossils meant bones, shells and the occasional imprint of a leaf. Now, a wave of research is showing ...

Drug developers are racing to design molecules that coax our cells into burning more energy even when we are sitting still, ...

Scientists have made leaps and bounds in bending atoms to their will, making them into everything from ultraprecise clocks to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...

Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a ...

After a lengthy experiment with tantalizing implications for origin-of-life studies, a research group in Japan has reported creating a test tube world of molecules that spontaneously evolved both ...

A version of this story appeared in Volume 101, Issue 36 Not too long ago, these small-molecule drugs looked as if they were going out of fashion. Advances in biotechnology enabled pharmaceutical ...

The south pole of Enceladus—a tiny moon orbiting Saturn—is a volatile place. In this region, the moon’s subsurface ocean spews jets of water through four “tiger stripe” cracks in the icy crust, ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Humid air causes hydrogen bonds to form between the proteins in your hair, triggering curls and frizz. Image via Flickr user Simon Gotz If you have long hair, you probably don’t need to look up a ...