Large mammals in Yellowstone adapt to summer heat by changing behavior—shaped more by landscape than biology, a new study ...

New research shows that living in sync with your body clock may help reduce risks for heart disease, diabetes, and high blood pressure.

Rottweilers with lifelong hormone balance lived longer and faced less danger from frailty, showing how hormones shape late-life resilience.

Stone tools reveal that the First Americans followed a coastal route from East Asia, linking both sides of the Pacific during the Ice Age.

Scientists discovered that a tiny Panamanian bat hunts like a lion, catching large prey using sound, patience, and precision.

Women need about half as much exercise as men to protect their hearts equally, according to a large study using wearable fitness trackers.

Ancient viral DNA in bacteria helps block new infections, offering a potential path to fight antibiotic resistance.

Superhero shows rarely damage children’s trust in scientists. Even villainous scientists don’t make kids doubt real science.

Wetlands in the Mississippi River Basin reduce nitrogen runoff, improve water quality, and lower drinking water treatment costs for cities.

A new study shows most U.S. adults don’t know alcohol raises cancer risk. Experts urge better education and clearer warnings for the public.

A study shows that spider web decorations help spiders locate prey by spreading vibrations across more silk threads.

Bowhead whales can live over 200 years thanks to a protein that helps their cells repair DNA damage efficiently.