Explore the ethical, social, and philosophical dilemmas of human cloning. Understand the implications of reproductive and therapeutic cloning, identity, consent, and the moral questions of copying ...

A 20-year-long experiment has confirmed that there are limits to continuously reproducing mammals through asexual cloning, and that species must ultimately rely on sexual reproduction for their ...

Serially cloned mice hit a genetic “dead end” by generation 58, underscoring that sex evolved for variation, purging harmful ...

A 50th-generation re-cloned mother mouse, bottom right, is pictured with her two baby mice conceived with an ordinary male mouse. A regular female mouse generally has about 10 pups at a time. However, ...

Early in the morning on April 11, Estonia’s first cloned foal was born at a stable in Luunja with the involvement of ...

Cloning can recreate an animal almost exactly, at least at first. But with each generation, small genetic changes begin to stack up. In a 20-year experiment, researchers repeatedly cloned mice from a ...

Learn how the Amazon molly, an all-female fish that reproduces asexually, uses gene conversion to maintain healthy DNA and survive more than 100,000 years without males. Asexual reproduction occurs in ...

Estonia's first cloned foal was born on Saturday, making the country the second in Europe to develop the capability to clone ...

After operating in secrecy for years, a startup company called R3 Bio, in Richmond, California, suddenly shared details about its work last week—saying it had raised money to create nonsentient monkey ...

The open ocean has new inhabitants ...

In a lab at the University of Yamanashi, one mouse line kept coming back in a form that looked almost unchanged. Researchers began with a single female donor and used her cells to make a clone, then ...

Bacterial blight (BB) is a serious plant disease that mainly affects rice plants, especially in warm, humid regions. Due to ...