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Three clinical trials are recruiting participants at the Moores Cancer Center to test a way to harness the body's immune system to fight cancer.

Stargazers were treated to a rare astronomical phenomenon when a total lunar eclipse combined with a so-called supermoon Sunday night.

The Star Trek actor died Friday in Los Angeles, and NPR TV Critic Eric Deggans says Nimoy's signature role taught fans the power of accepting their differences rather than fighting them.

Boston, San Francisco, London, Sydney — D.C.'s massive protest has spawned sister marches in all 50 states and hundreds of cities across seven continents. Here's a glimpse of some of the biggest.

Leonard Nimoy, world famous to "Star Trek" fans through a beloved cult TV series and a half-dozen films as the pointy-eared, purely logical science officer Mr. Spock, has died. He was 83.

San Diego researchers have been taking ocean temperatures at the end of Scripps Pier for a century, and the data have a story to tell.

Capuchin monkeys in Brazil have been seen making sharp stone flakes. It was previously thought that only humans and their ancestors had flaking skills.

The food system is awash in chemicals and additives. One woman has made a career out of investigating them. But a cadre of critics says she's creating more confusion than clarity about food.

New rules, new reviews, and new funding for young, low-income children.

California projects it will need more than 20,000 new teachers annually, but universities in the state have been graduating about half that.