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Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience and health risks.

As a woman ages, choosing when to try for a second or third child means weighing fertility odds against the risks of getting pregnant again too soon. A new study provides more data to help decide.

NPR and the PBS series Frontline investigate the forces keeping communities from building resiliently, and the special interests that profit even when communities don't.

The Tulsa Zoo has long had an evolutionary science exhibit. Now its board is considering adding a display providing the biblical account of how the Earth began. The clash between science and religion is now dividing many in Tulsa.

NASA's six-wheeled rover landed on the red planet in January 2004 for what was billed as a 90-day mission. The plucky robot was still going until a dust storm on Mars last summer killed it.

(Omaha, NE) -- The National Weather Service has a flood advisory in effect for the Missouri River in the Omaha area. The notice issued last night says the…

Efforts to change the mountain's name back to Denali date back to 1975. The White House says changing the name back "recognizes the sacred status of Denali to generations of Alaska Natives."

Cost increases for both old and new diabetes drugs are forcing many patients to scramble to pay for them.

"My Toilet," a new photo exhibit in London, documents how commodes — or the lack of a proper one — affect the health, safety and education of girls and women around the world.

In the new film The Artist, the era of silent film giving way to sound is depicted with an unusual return to silence. That meant different challenges for the actors — even those who walk on four legs.