(CNN) — A bold plan to genetically engineer a version of the woolly mammoth, the tusked ice age giant that disappeared 4,000 years ago, is making some progress, according to the scientists involved.

When does an elephant become an elephant? That is the question. At least it's the one that popped into my mind as I viewed images from an upcoming National Geographic documentary: "In the Womb: ...

DALLAS--(BUSINESS WIRE)--Colossal Biosciences (“Colossal”), the world’s first de-extinction company, announces today that their Woolly Mammoth team has achieved a global-first iPSC (induced ...

The elephant stem cells also hold the key to the mammoth’s rebirth. Once edited to have mammoth-like genetic traits, the elephant’s cells could be used to make eggs and sperm and an embryo that could ...