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A contrast agent doesn't make you feel better or treat what's ailing you. But by making CT scans clearer, contrast might be crucial in helping your doctor make the right diagnosis.

Twelve high school girls coded, soldered and sewed a tent that uses solar power to charge electronic devices, provide light and sanitize itself. The team recently presented their creation at MIT.

Many parents of kids with life-threatening food allergies live with fear, EpiPen in hand. Some are trying oral immunotherapy, a treatment that can help patients build tolerance to foods like peanuts.

In the past few years, enthusiasts have touted coconut oil as the next great health food. But it contains high levels of saturated fat, which is associated with an increased risk of heart disease.

The clash between science and religious belief lies at the heart of Sarah Perry's new novel, set in a marshy, windswept English town menaced by a serpentine monster that may or may not truly exist.

Research shows that 400 female blue orchard bees are as effective at pollinating almonds as the more than 10,000 bees in a honeybee hive. But they reproduce slowly and are prone to wandering.

Victor Hugo wrote Notre Dame de Paris, or The Hunchback of Notre Dame, in the 19th century to draw attention to the cathedral, which had fallen into neglect and disrepair. It worked.

The NASA has spotted enormous cyclones at the gas giant's north and south poles. The probe has also returned other data that have project scientists scratching their heads.

California Gov. Jerry Brown has been silent on President Donald Trump's call this week for National Guard troops to help protect the southern border with Mexico.

Mathilde Krim, who died this week, was a vocal pioneer in HIV treatment and research at a time when discrimination against people with AIDS in the U.S. was rampant, even in medical care.