Children ages 2 to 18 spend up to nine hours a day on screens. Research shows that excessive use can lead to health problems, ...

When parents step into their child’s school for an open house or classroom visit, they’re not just seeing bulletin boards and ...

Researchers uncovered a 2.75–2.44 million-year-old site in Kenya showing that early humans maintained stone tool traditions for nearly 300,000 years despite extreme climate swings. The tools, ...