Add Yahoo as a preferred source to see more of our stories on Google. Genetic mutations in cats occur naturally. Some are subtle, such as variations in coat color or fur length. Others are more ...

People with a rare genetic disorder that damages the amygdala are helping neuroscientists rethink how the brain shapes fear, ...

Watch: Sperm Donor With Rare Mutation Linked to Cancer Sparks Debate After Fathering 67 Kids A sperm donor with a rare genetic mutation linked to cancer is sparking debate about regulation of the ...

Scientists have traced a devastating pattern of brain cell loss in a handful of families to a single, ultra-rare mutation that sabotages one of the brain’s key protective enzymes. The discovery not ...

Researchers identified a new genetic mutation that may allow some people to survive, even thrive, on three hours of sleep. The mutation is called SIK3-N783Y. Scientists said mice test subjects ...

Scientists have corrected gene mutations in mice causing an ultra-rare disease by editing DNA directly in the brain with a single injection, a feat with profound implications for patients with ...

Emily Kramer-Golinkoff can’t get enough oxygen with each breath. Advanced cystic fibrosis makes even simple things like walking or showering arduous and exhausting. She has the most common fatal ...

Frenchies are already adorable, but there’s one pup who is making waves on social media. He looks like a French Bulldog, because he is, but there’s a slight difference he has that most other pups of ...