Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

Bristle worms have protrusions that act like a 3D printer, helping us to understand how cells regenerate. Most people will ...

When a massive tree toppled in the floodplains of Fonte Boa, a region in the Brazilian Amazon, local fishermen noticed ...

The common belief that human bodies run at 98.6°F (37°C) appears to be wrong, and some evidence suggests our temperatures have decreased over time.

Think you need 8 cups of water a day? Or that coffee dehydrates you? Experts debunk the most common misconceptions about staying hydrated.

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

What Pilates can (and can’t) do for your body It’s hailed as the secret to strength, flexibility, and balance. We asked the experts if it actually lives up to the hype.

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and longevity.

Your body changes in fascinating ways during the first 10 minutes of exercise When you start moving, your heart rate spikes, blood flow changes, and your brain becomes more alert.

8 things we’ve learned about how alcohol harms the body The U.S. Surgeon General has called for adding cancer warnings to alcohol labels—as scientific evidence mounts that even moderate ...

One of the 20th-century's biggest quests was to find the “missing link,” a being who connected humans to their pre-historic ancestors. It was also the height of scientific racism.