Long before global warming was the biggest environmental issue, the planet was in the opposite kind of funk — an ice age lasting around 2.6 million years. During this time, starting about 700,000 ...

Inside the twisting tunnels of Mammoth Cave, the world’s largest cave system, scientists have uncovered fossilized remains of two ancient shark species that once prowled Earth’s waters some 325 ...

In just the last several months, de-extinction—bringing back extinct species by recreating them or organisms that resemble them—has moved closer from science fiction to science fact. Colossal ...

Researchers have sequenced the oldest RNA ever recovered, taken from a woolly mammoth frozen for nearly 40,000 years. The RNA reveals which genes were active in its tissues, offering a rare glimpse ...

A stunning new animation shows saber-toothed cats attacking a herd of woolly mammoths toward the end of the last ice age in the frozen north of North America. "That whole story is set in the frozen ...

Selling elephant ivory—a hard white material from elephant tusks, for which elephants are often killed—is illegal. Selling ivory collected from the remains of extinct Mammoths, however, is—somehow—not ...

Researchers from Stockholm University have—for the first time ever—managed to successfully isolate and sequence RNA molecules from Ice Age woolly mammoths. These RNA sequences are the oldest ever ...

When the elevator doors part on the second floor of a two-story brick and glass building in an office park on the outskirts of downtown Dallas, it feels like a portal opening to a different world. The ...

In just the last several months, de-extinction — bringing back extinct species by recreating them or organisms that resemble them — has moved closer from science fiction to science fact. Colossal ...