Once, long ago, a little reptile going about its business plopped itself down in the mud before getting up and carrying on with its day.

CAPE CANAVERAL, Fla. (AP) – Grounded until at least April, NASA's giant Moon rocket is headed back to the hangar this week for more repairs before astronauts climb aboard. The space agency said Sunday ...

Scientists have many theories about how Earth's raw materials turned into living cells, but a new proposal is particularly slimy.

Osteoarthritis is a common degenerative joint disease that causes pain, stiffness, and swelling and reduces your range of ...

A new investigation of ancient horned animal skulls found in Spain's Des-Cubierta Cave deepens the mystery of when and why ...

Yet there is clear evidence that adults benefit from playfulness just as children do. Research shows that adults who engage ...

Immediately after the Big Bang boomed, the Universe was a trillion-degree 'soup' of unimaginably dense plasma.

Haolong is known only from a single specimen – an almost complete skeleton stretching 2.45 meters (8 feet) long, with stunningly preserved skin. Intriguingly, the bones suggest it was still a juvenile ...

New techniques to detect Y chromosome genes show frequent loss of the Y in tissues of older men. The increase with age is clear: 40% of 60-year-old men show loss of Y, but 57% of 90-year-olds.

This week in science: the generational effects of nuclear radiation discovered in the children of Chernobyl cleanup workers; simple habits that could reduce your risk of dementia; a new light therapy ...

Weightlifting shoes might be your best bet when doing squats. But if you mainly stick to deadlifts, flat shoes may slightly boost your performance. That is if your goal is to lift as much weight as ...

Deep sleep could forestall the declines in brain health that can eventually lead to Alzheimer's disease, the most common form of dementia.