A solar radiation storm stronger than one we’ve seen in over two decades is in progress, the Space Weather Prediction Center ...

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

Radiation therapy, alone or in combination with surgery and chemotherapy, is commonly used for the treatment of many cancers. Although radiation therapy can usually be delivered without resulting in ...

Radiation poisoning happens when you’re exposed to extremely high radiation levels, like those caused by a nuclear explosion. Early symptoms include nausea and vomiting. Later, it causes organ damage.

Patients with invasive breast cancer who had low scores on an investigational gene molecular signature had similar rates of local recurrence whether or not they received adjuvant radiation therapy ...