A new billionaire from efforts to bring back the woolly mammoth: “What we’re excited about is that we are solving hard problems,” said Colossal Biosciences' cofounder and CEO Ben Lamm.

Once a species winks out, it survives only in memory and the fossil record. When it comes to the woolly mammoth, however, that rule has now been bent. It’s been 4,000 years since the eight-ton ...

Their first announced project: a next-generation woolly mammoth. Using gene editing technology to update Asian elephant DNA, they set out to create a "cold-resistant elephant with all of the core ...