Conversations: Killer clone armies, government censorship and making babies.
The process that created Dolly the sheep in 1996 has now been proven successful in humans.
In the movies, doubles are sinister or idiotic. Now we've got real-life test cases: genetically engineered cats
Vets hope little Got is as tough a fighter as his father the source of his genetic material was
Genetic copying is advancing fast, but cloning humans promises to be problematic -- a welcome setback for those who'd like to ban it.
Embryologist Irina Polejaeva talks about the successes and challenges of cloning performance horses
In this corner: Gregory Stock, director of the program on Medicine, Technology and Society at UCLA. and in this corner: Panos Zavos, professor emeritus of reproductive physiology at the University of Kentucky.
Scientists produce five clones of a dog that assisted with 9/11 search and rescue, and died in April
In this corner: Robert Lanza, vice president of medical and scientific development, Advanced Cell Technology (ACT). And in this corner: Kent Redford, director, Wildlife Conservation Society Institute.
An anonymous commenter has pointed out four different problems in last week's breakthrough paper.
Ten years ago, South Korean geneticist Woo Suk Hwang was caught making up data about cloning human stem cells.
I'll have the undiscovered-species banh mi, please
Hollywood genetically engineers some boffo box office
Scientists in Japan have been able, for the first time, to successfully clone a mouse from a blood sample drawn from a living donor's tail.
South Korean officials are training seven cloned canines to work as drug detectors
The last bucardo died in 2000, killed by a falling tree.
Cloned ponies (clonies?) are beginning to prove themselves in the field.
The castrated 'Strong-Willed Pig' could not otherwise reproduce
But wait, there's a catch