Stem cells

Scientists at a biotech company say they have created a key stem cell for Asian elephants that could help save the endangered species and become a steppingstone for bringing back the woolly mammoth.

A team of researchers from NYU spent two years plucking away mice hair to watch what happened when it grew back. They noticed a stem cell malfunction that may explain your silver strands.

Chase Purdy's briskly paced and quietly bold new book about the future of meat suggests people rethink its meaning, as he explores those at the forefront of developing cell-cultured meat.

California alone has spent billions in state funds over the last 14 years to support stem cell research. Scientists want another round of cash. So, what exactly did voters get for their money so far?

The companies are "unscrupulous actors" marketing stem-cell treatments that have not been proved effective and may be dangerous, the FDA says. It took action against clinics in Florida and California.

This device shoots new genetic code into cells to make them change their purpose. Researchers say the chip could someday be used to treat injuries in humans. But they've got a long, long way to go.