New techniques to detect Y chromosome genes show frequent loss of the Y in tissues of older men. The increase with age is ...

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 ...

In places like Chernobyl and Fukushima, where nuclear disasters have flooded the environment with dangerous radiation, it makes sense that life might evolve ways to survive it.

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

Deep inside the Greenland ice sheet, radar images have revealed strange, plume-like structures distorting the layering deposited over eons.

If you go to the gym often, you might have been told you shouldn't lift weights in runners. The common belief is it is bad for your performance and can lead to injuries. But is this really the case?