Colossal Biosciences is working to introduce woolly mammoth traits into Asian elephants through genetic modifications.

A Japanese research team pushed mouse cloning to its breaking point, producing 1,206 clones from a single donor line before the process collapsed at the 58th generation. The experiment, one of the ...

After 20 years, 58 generations and more than 30,000 cloning attempts, a team of researchers has hit the limit on the number of times a single mouse can be serially re-cloned. How Dolly the sheep’s ...