Imagine spending your day suspended upside down in a leafy canopy, moving so slowly that even the wind seems fast. For sloths ...

Imagine a world where forests echoed with the slow, thunderous steps of creatures as large as small cars. Millions of years ...

While the science of doing this may not be as exciting as the genetic engineering of Colossal Biosciences, it will be easier ...

Dire wolves - the legendary creatures that once roamed prehistoric landscapes, only existed in the imaginations of storytellers - until now.