Friendships, family, and community links may support healthier aging by lowering inflammation and slowing biological decline, study suggests.

The world's oldest DNA comes from a 2.4 million-year-old ecosystem in Greenland. Will scientists eventually sequence even older DNA?

A new study in fruit flies describes how an animal's gut reacts differently to beneficial microbes versus harmful pathogens.

A new tool greatly improves scientists' ability to identify and study proteins that regulate gene activity in cells, ...