When something dies, a telltale radioactive signal ticks like a natural clock. Discovering it helped us solve all sorts of ...

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

For centuries, Egypt’s pyramids have inspired awe, mystery, and endless speculation. But how old are they really? In this investigative documentary, we dive into the science of carbon dating to ...

Carbon dating has revealed the age of an object that is among the oldest artifacts in northwest Ohio. The Toledo History Museum said it funded a radio carbon dating test to determine the approximate ...

Discovered: Stanford research encampment fueled solely by sun; Japanese lake key to updated carbon dating; expiring tax credit could stall wind power; global warming changes sea acoustics. Elephant ...