Alyson Hurt

The Oroville dam is the tallest in the country and has a capacity of 3,537,577 acre feet. It went over capacity last week causing massive evacuations and bringing attention to its damaged spillways.

Thanks to police and FBI records and witness accounts, it's becoming clearer — if still impossible to comprehend — what transpired in Orlando in the early hours of June 12.

Congress has to vote soon on Iran's deal to limit its nuclear program in exchange for sanctions relief. But it isn't business as usual on Capitol Hill: For starters, a "yes" vote actually means "no."

Sports can burn a lot of energy. But vacuuming the carpet burns calories, too. The question is, how much? We checked out the numbers and found surprises.

Americans' relationship with sports changes as we grow older. About three-quarters of adults say they played sports as children. By the time people are in their late 20s, only about a quarter do.

Lots of people say they're having trouble with alcohol. Native Americans and young, college-educated white men are most apt to be at risk. And most people don't get any help cutting back.

Lately, there have been so many big technology acquisitions in the headlines that it's hard to keep them straight. Check out our visualization of the most notable tech takeovers of recent years.