The first large study to examine the use of X-rays, CT scans and other medical radiation in American children estimates the average child will get more than seven radiation scans by age 18, a ...

Medical imaging, like X-rays and CT scans, are routine, non-invasive and painless tools used by doctors to make diagnoses. But a recent study of about 4 million children published in the New England ...

Like gamma radiation, X-rays can penetrate most materials. Dense material, such as lead, is needed for shielding from X-rays. They are able to travel several meters in air and penetrate several ...

In a May executive order, aimed at ushering in what he described as an “American nuclear renaissance,” President Donald Trump declared moot the science underpinning decades-old radiation exposure ...

When nuclear accidents happen, many people imagine radiation spreading everywhere and lasting forever. The reality is more complex. Radioactive materials move, change and sometimes disappear faster ...