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 ...

This penguin’s features are very special and rare. @bbcearth explains, "This Gentoo penguin's stark white [color] is the ...

In our earliest science lessons, we learned that anything denser than water sinks. The denser something is, the more easily it sinks. This is seen in people who are more muscular, because muscle is ...

Certain rare gene mutations can contribute significantly to low levels of a beneficial form of cholesterol in the blood, researchers have found. Low levels of this cholesterol, known as high-density ...

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 ...