Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth shared a common ancestor.

A study that developed biological age clocks to predict a person's age, which may differ from chronological age, showed that a reduced-calorie diet among the trial participants caused a major ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. Diversifying your studying ...