The level of danger posed by the Chernobyl power cut depends on how long it lasts.

The world held its collective breath as Russian troops battled Ukrainian forces at the Zaporizhzhia nuclear power plant. The battle is over and no radiation escaped, but the danger is far from over.

With Russian troops rolling through the Chernobyl exclusion zone in Ukraine, a biologist who studies wildlife in the area describes the risks of disturbing this radioactive landscape.

Experts in nuclear power and nuclear medicine worry that fears of radiation will keep us relying on fossil fuels for longer.

Long after surviving childhood cancer, some otherwise healthy young adults go on to develop cardiometabolic disease. Radiation may be to blame.

A diagnosis of metastatic breast cancer means having cancer for the rest of one’s life – a situation with very different needs and concerns compared to earlier stages of the disease.

UV lights come in a variety of different wavelengths, but not all are equally effective at disinfection. Researchers tested a number of commercially available lights to find the best.

Radiation therapy can fix a life-threatening heart rhythm without invasive procedures by reverting heart muscle to a younger state, research suggests.

New research shows how the Montreal Protocol protected vegetation, helping keep carbon out of the atmosphere.

How do organisms survive extreme conditions – and how can their adaptations help us develop better technology?