Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

For years, the federal government advised Americans to limit red meat and foods high in saturated fats. However, new federal ...

What really causes your blood fats to skyrocket? Groundbreaking discoveries have delivered surprising new answers.

Floods, storms, hurricanes, typhoons and blizzards are becoming more frequent and intense around the world. Every ...

After Health Secretary Robert F. Kennedy Jr. “turned the food pyramid upside down,” health experts are weighing in on what ...