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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 motion.

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

Somewhere along the way to adulthood, time to play fades away.

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

Some dinosaurs were scaly, some were covered in bony plates of armor, and others were even feathered.

Men tend to lose the Y chromosome from their cells as they age.

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.

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 'hat' for hair loss; and much more! DNA Mutations ...

If you go to the gym often, you might have been told you shouldn't lift weights in runners.