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.

Sections of DNA once dismissed as dormant and useless could in fact be recruited to fight certain types of drug-resistant ...

Genetic tweaks allowed early humans to stand, balance and walk on two legs instead of moving on all fours like other primates, according to researchers.