Understanding how cells turn genes on and off is one of biology's most enduring mysteries. Now, a new technology developed by ...

A company’s plan to edit the genomes of human embryos worries some researchers — but it might reflect the changing attitudes ...

A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including a ...

By restructuring a common chemotherapy drug, scientists increased its potency by 20,000 times. In a significant step forward ...

A tigress is not just a provider of food; she is the cubs’ entire environment. In the wild, she regulates their temperature with her body heat and transfers immunity through milk.