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 ...

The start-up Colossal Biosciences aims to use gene-editing technology to bring back the woolly mammoth and other extinct species. Recently, the company achieved major milestones: last year, they ...