Hellcat has pushed the limits of American muscle, producing monstrous powerplants with horsepower numbers once thought unthinkable. Here are the coolest ones.

During DNA replication, the classic double helix can temporarily rearrange into an alternative structure known as a DNA three ...

What makes the human brain distinctive? A new study published July 21 in Cell identifies two genes linked to human brain features and provides a road map to discover many more. The research could lead ...