Critically endangered Galapagos tortoises become first time parents at nearly 100 years old
Philadelphia Zoo’s vision is that these hatchlings will be a part of a thriving population of Galapagos tortoises in the ...
The Science Behind the Return of the Dire Wolf
Our team took DNA from a 13,000 year old tooth and a 72,000 year old skull and made healthy dire wolf puppies,” said Colossal ...