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A group of specialists called the Gray Team challenged the dogma that said head injuries were serious only if they were obvious and bloody. Bomb blasts can lead to lasting but invisible damage.

The images tell a tale of widespread and deadly hurricane damage that's nearly impossible to comprehend fully from the ground level.

The Bigelow Expandable Activity Module was pumped up after it arrived at the International Space Station in 2016. NASA says it's doing well in the harsh environment.

Choosing a heart-healthy lifestyle can help protect your brain as you age, research suggests. And it's not just memory skills that benefit. Problem-solving abilities and judgment are preserved, too.

New research suggests that when puppies have more attentive, active mothers, they're more likely to fail guide-dog training.

A small rock might contain tissue from a 130 million-year-old dinosaur brain. If confirmed, it would be the first bit of fossilized dino gray matter ever found.

Capuchin monkeys in Brazil have been seen making sharp stone flakes. It was previously thought that only humans and their ancestors had flaking skills.

Native Americans are 60 percent more likely to be obese than non-Hispanic whites. The Coeur D'Alene Tribe in Idaho is using traditional dance to get fit and lose weight. They call it "Powwow Sweat."

The mystery ingredient pops up in a lot of household favorites, but its nutrition level depends on how it's used.

The scientists honored with a Nobel Prize in medicine helped discover that every cell in the body has its own clock. When we ignore those clocks, we increase the risk of weight gain and diabetes.