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In a shift driven partly by culture and largely by the economy, the number of grandparents living with their grandchildren is up sharply in the U.S. About 1 in 10 kids is living with a grandparent.

Should dietary guidelines consider the environmental effects of our food choices? The government-appointed Dietary Guidelines Advisory Committee thinks they should. Congress, however, says no.

Subsidies created by the health law to help workers buy their own coverage and steady increases in companies' insurance costs have made it easier for them to decide to discontinue health insurance.

Uber's "surge pricing" quadrupled fares for some customers trying to flee the area in Sydney where a gunman took hostages. France banned Uber's low-cost service over its lack of professional licenses.

Even in an age of galloping ambition, the Texan rides ahead of the pack. Obama liked to quote Martin Luther King's line about "the fierce urgency of now," Cruz seeks to embody it at every turn.

The region claimed is more than the size of Texas and Oklahoma combined. The energy-rich Arctic is also contested by Canada, Russia, Norway and the U.S. A U.N. panel will study the Danish claim.

Around the world, patients acquire new infections simply from spending time in a hospital. One way to fight back: replacing hospital bed rails with copper, a natural infection-killer.

The court has upheld a cocaine conviction that began when police stopped a car with just one brake light, even though state law in North Carolina requires only one brake lamp.

Officials say the gunman is Bradley William Stone, 35, who also left one person seriously wounded. Victims were shot in three different Montgomery County towns, officials say.

The siege of a cafe in Sydney, Australia has ended with two hostages and the gunman dead. Police stormed the cafe in the early hours of the morning after a 16-hour standoff.