Colossal Biosciences, a Dallas-based biotechnology and genetic engineering startup valued at $10 billion, has raised $435 ...

Once considered a lost species, this carnivorous marsupial, officially known as the thylacine, could soon make a comeback ...

has raised $435 million to “de-extinct” the woolly mammoth, a species that hasn’t walked the Earth in over 4,000 years. The company also plans to clone a dodo bird and a Tasmanian tiger.

Ultimately scientists hope to re-create extinct species like the Pyrenean ibex and the thylacine, or Tasmanian tiger. Today the thorniest questions about cloning extinct species may be less ...