Nearly every cell in your body depends on mitochondria to survive and function properly. Mitochondria provide 90% of our ...

A report released Thursday found that series of weaknesses, including "outdated policies, inconsistent practices and ...

An outside review of Los Angeles County’s response to January’s deadly wildfires found a lack of resources and an outdated ...

You've seen that little line on your smartphone, but why is it there? We'll explain how to use it—and how to get rid of it on ...

Every new life begins after a genetic shuffle. When organisms make eggs or sperm, maternal and paternal chromosomes pair up ...

Frequent exercise doesn't just strengthen the heart—it also changes the nerves that control it, according to new research which could guide more targeted and effective care for common heart problems.