Not getting enough sleep can cause all manner of health problems, from dementia to diabetes. A new study, published in Nature, finds a U-shaped relationship between how long peopl ...

Non-invasive eye scans allow doctors a zoomed-in, three-dimensional look beneath the eye's surface without causing discomfort ...

Damage to DNA in cancer cells can lead to pieces breaking off chromosomes and floating away, like icebergs cracking off from ...

A specific pattern of brain metabolism visualized with PET imaging can predict which patients are most likely to benefit from ...

California two-spot octopuses learned to track prey they could see only as a mirror reflection, then moved toward the actual ...