A positron emission tomography (PET) scan is an imaging test that can reveal the metabolic or biochemical function of your tissues & organs.

An international team of researchers has developed a scanning tool to make websites less vulnerable to hacking and cyberattacks.

Measuring how the eyes’ pupils change in response to light—known as the pupillary light reflex—can potentially be used to screen for autism

A new design by MIT engineers might make the ultrasound technology as wearable and accessible as buying Band-Aids at the pharmacy.

A long-term study has shown a common bone density scan can also reveal if someone is at increased risk of developing dementia.

A single MRI scan of the brain could be enough to diagnose Alzheimer’s disease, according to new research by Imperial College London.

Quantum dots can measure things in the body that are very, very dynamic and complicated and that we can't see currently.