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 ...

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 ...

Thousands of times per year, a family’s moment of joy turns to unexpected grief. A seemingly healthy infant stops smiling or ...

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 ...

Genes are short sections of DNA that determine an animal’s traits—everything from coat color and claw strength to body shape and health. But sometimes, these genes mutate. And while the word itself ...

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 ...

Researchers at Weill Cornell Medicine report that a rare gene mutation that delays Alzheimer’s disease does so by damping inflammatory signaling in brain-resident immune cells in a preclinical study.

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 ...

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 ...