Colossal’s purchase of ViaGen, known for cloning pets of celebrities, bolsters the biotech firm’s tools for de-extinction and conservation.

Colossal Biosciences expands its de-extinction mission by acquiring Viagen, the world leader in animal cloning and species preservation.

Viagen isn't just a pet cloning service; it's a powerhouse whose history is intertwined with cloning breakthroughs.

Larry Mantle talks with Greg Stock, best-selling author, and reproductive biology expert about his new book, Redesigning Humans (Houghton Mifflin). Stock considers how the human race is likely to change as a result of the coming advances in science, weighs ...

SAN JOSE, Calif. — Everyone has that one pet in life who they fall in love with at first sight — or first scratch. Recommended for you

Back when it was no more than a cheesy science-fiction plot device, human cloning seemed like something that would eventually be revealed to a horrified world full-blown and fully grown–a monstrous carnival apparition (“The Amazing Cloned Boy!”