An illustration of a do-do.

There's a buzz now around bringing species back from the dead. There's even a spiffy new name for it: "de-extinction."...

Screenshot of the article in print format

Thanks to advances in technology, scientists can extract cells from an animal and implant them into a surrogate mother. If...

Hwang holds Snuppy

Pet cloning is a terrible idea -  and, we now know, an extremely unpopular one. Cloning endangered species is equally...

Thirty years ago the assisted reproduction industry was born. From tiny but noisy beginnings, it grew through an occasionally troubled...

Three cows look directly at the camera from their shared stall.

Californians should be allowed to know what they're eating. That's the simple reason why Gov. Arnold Schwarzenegger should sign SB63,...

Five cattle are standing side by side

The FDA is still considering whether to allow meat and milk from cloned animals into America's food chain, without so...