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President Obama said while the military has explored a wide range of options, he is considering a "limited narrow act" that involves no boots on the ground.

All people have brain abnormalities, but people with migraines are more likely to have ones similar to tiny strokes. The changes may explain why people with migraines have a higher risk of stroke.

Under the new rules, Facebook is expanding its use of facial recognition, making it easier for you, your friends and acquaintances to tag your likeness in their pictures. A bigger facial recognition database could allow Facebook to collect more data about whom we are interacting with in the real world.

On a summer night in Phoenix, city dwellers can watch a line of head lamps inch up Piestewa Peak. The mountain rises sharply more than 1,200 feet above the neighborhoods of Central Phoenix. It's the most popular outdoor trek in the city. But in July and August the sun turns deadly there and hikers wait until it's safely below the horizon to begin their ascent. At the top, the view unfolds like magic every time — a desert city of four million people that glows red, white and orange.

Seamus Heaney was possibly the most-read living poet. He was admired by peers and critics and loved by the general public, which bought his books by the thousands. He won the Nobel Prize for Literature in 1995. Heaney died Friday in Dublin after what his family described in a statement as a 'brief illness." He was 74 years old.

Fifty years after the March on Washington, we ventured to the National Mall and met people who made that 1963 journey, and others making it for the first time.

Surprisingly enough, people have been poaching salmon in their dishwashers for decades. Now one Italian cook has expanded the technique to meats, side dishes and desserts. And she's found a trick to make the method more environmentally friendly.

If the weather on your campout turns ugly, you may be tempted to fire up the stove inside the tent to cook or get warm. Don't, say emergency room toxicologists, or risk a potentially lethal buildup of poisonous carbon monoxide.

Joseph Burden and Martin Niverth, officers with the segregated D.C. police department, were both assigned to patrol the March on Washington. Burden, who is black, worked while wishing he could participate. And Niverth, a white man, was surprised to be assigned a black partner for the day.

Firefighters are battling a huge wildfire at Yosemite National Park in California. Only 7 percent of the fire has been contained. Thousands of firefighters are pitted against it, with more on the way. Thousands of residents have been evacuated.