The oldest preserved DNA on record, found in Greenland, is approximately 2 million years old, while T. rex went extinct 66 million years ago, reports Live Science.

The collagen would need to be in good enough shape for them to reverse-engineer its recipe. Even if the T. rex collagen identified in 2007 was genuine, it was too fragmented for a full recreation.

Ellis added that producing real T. rex leather is “very far-fetched,” and the properties of any collagen results are likely to be similar to those of a cow or chicken, which means that it ...

Pacific Science Center will close for more than a month after Labor Day to dismantle its animatronic dinosaurs. Here’s why.

Producing real T. rex leather is “very far-fetched,” added Ellis, who explained that the properties of any collagen that results from the project are likely to be similar to that of a cow or a ...

Science More of teenage T. rex uncovered at Denver Museum of Nature & Science A team of fossil preparators are publicly revealing the fossil inch by inch at the museum.