Researchers untangle the multifarious nature of muscle aging. So far, the only reliable treatment is exercise.

Scientists race to develop CRISPR therapies that could save the lives of kids with muscle-wasting conditions.

As robust efforts fail to reproduce findings of influential zebra finch studies from the 1980s, scientists discuss ways to reduce bias in such research.

Inserting human “mini-brains” into rodents has the potential to broaden scientists’ understanding of neurological disease, but raises quandaries about consciousness.

The gene-editing technology is already in trials for some rare conditions, with more human testing on the horizon.

Assessments of species vulnerability provide crucial information for conservation efforts. But the science behind them is still evolving.

Identification of new archaea species elucidates the domain’s unique  biology and sheds light on its relationship to eukaryotes.

Two decades after a successful crowdfunding campaign, some clinical trial patients have seen improvements—but there’s still no approved treatment for the disease.

Though Calliope Joy’s disease is too far progressed to be treatable, her parents have helped other children with metachromatic leukodystrophy get access to an experimental therapy.