A new drug could be an effective alternative to cisplatin, a popular anti-cancer drug that also causes kidney issues.

There may be a way to prevent the worst damage in neurodegenerative diseases like Alzheimer's, Huntington's, ALS, and others.

Astronaut Scott Kelly spent 340 days in space. His twin brother, astronaut Mark Kelly, stayed on Earth. Here's how their mitochondria compare.

Mitochondria join together to help cells to multiply in unexpected ways, finds research with potential relevance to cancer.

When researchers improved the weak "cleaning system" in the brain cells of animals with Alzheimer's, symptoms almost disappeared.

"This kind of information will be particularly useful in medical procedures such as mitochondrial replacement therapy..."