Researchers at Harvard released a new study Tuesday showing elevated radiation levels at fracking sites, saying the concerning levels could pose health risks to residents in the adjacent area. The ...

An illustration titled 'What Radioactivity Is', with six panels' reading (top) 'Water in pond is 'stable,' it expends no energy,' water can be carried up-hill and its energy level raised,' 'as it runs ...

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 ...