A fossil smaller than a human fingernail has revealed a complete ancient brain, turning a speck of stone into a detailed map ...

Measuring our own heart rate seems like a straightforward idea, but how would you go about taking the pulse of a grasshopper or a spider? A new technique has been developed to measure the heart rate ...

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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Amber preserves all sorts of fossils from mating termites to tiny ...

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

Lice, bed bugs, ticks, leeches, and other tiny blood-sucking crawling creatures are regarded as nasty vampires, causing itches, eliciting disgusting feeling, vectoring human and animal diseases, and ...

Specimens of what appear to be the largest eurypterid species found in Australia could shed light on the sudden extinction of the massive arthropods. By Rebecca Dzombak Most modern scorpions would fit ...

Around half a billion years ago, in what is now the Yunnan Province of China, a tiny larva was trapped in mud. Hundreds of millions of years later, after the mud had long since become the black shales ...

For the first time ever, researchers have found a trilobite’s final meal. While the diet of Bohemolichas incola may not be the same as for all ancient arthropods, it allows questions about their diet ...