Yahoo has bought Tumblr for $1.1 billion. CEO of Yahoo Marissa Mayer vows not to screw up the social network.

It's graduation season. Did your teenager have to take a financial literacy course to don that cap and gown? Probably not. According to the Council for Economic Education, as of 2011, 22 states required high school students to take an economics class --the "supply and demand" type, not the "how to balance your checkbook type." Only 14 states offered personal finance as a high school class, either on its own or as part of the econ curriculum.

O.J. Simpson is already making plans for a new life as he waits to find out about a new trial.

Wave of attacks hits Shiite and Sunni areas of Iraq, killing at least 70

The convicted killer will take the stand for jurors before they decide her sentence.

What is the next step for the Tea Party groups who feel they were unfairly scrutinized by the Internal Revenue Service? For many of them, it's to go forward with litigation and to sue the IRS.

Arias returns to court for penalty phase as jurors consider life in prison or death sentence

The search is on in Zephyrhills, Fla., for the lucky person who entered a Publix supermarket in recent days and purchased the winning Powerball ticket worth $590.5 million.

Man breaks world record by riding Ferris wheel at Chicago's Navy Pier for more than 48 hours

A police officer made a split-second decision when a man held Andrea Rebello hostage.

The search is on for the lucky person who purchased the winning ticket.

White House says it had nothing to do with the IRS targeting of conservatives.

ABC News' Ginger Zee joins a storm chaser during a large breakout of storms.

'Trek' sequel does $70.6M, but falls short of studio hopes; 'Iron Man 3' tops $1B worldwide

Man falls from Broadway theater window, lands on marquee at 'The Nance' starring Nathan Lane

As bomb shelters sales have increased amid fears of economic and security uncertainties, outfitters have begun building custom suites underground featuring all the trappings of mansion life: swimming pools, home theaters, basketball courts, and even airplane hangars.

Morning Business Memo… Yahoo is spending $1.1 billion to buy the six-year-old blogging site Tumblr. The acquisition is the biggest yet for Yahoo CEO Marissa Mayer, and is part of her continuing push to give Yahoo credibility with a younger crowd, and make it a...

What do we eat? New food map will tell us what we buy at stores and what we consume

2 men arrested in killing of Las Vegas teen who refused to give up his iPad

Students at Hofstra University wore white ribbons at their graduation ceremony today to honor a fellow student who was accidentally killed by a police officer who exchanged gunfire with an armed intruder.

On the one-year anniversary of her death at 23 in a car crash, Yale activist and writer of "The Opposite of Loneliness" has play performed, book deal and two memorial scholarships.

Hundreds of tons of New Zealand meat stranded at Chinese ports over certification dispute

After two of their children allegedly were stabbed to death by their nanny last fall, Marina and Kevin Krim announced Thursday they were expecting a baby. For parents who have experienced such a traumatic loss, a pregnancy can help with the grieving process even as it brings up other emotions, experts say.

A single ticket matching all the numbers in Saturday's $590.5 million Powerball drawing was sold at a Zephyrhills, Fla., grocery store, according to lottery officials.