The happiest, saddest states according to Twitter
Did your state make the list? Researchers at the University of Vermont analyzed more than 10 million tweets from 2011 to find the happiest and saddest states in America.
Mayor wants tornado shelters in new homes
Moore Mayor Glenn Lewis wants tornado shelters in all new homes in his city, where an EF-5 tornado damaged or destroyed more than 12,500 homes Monday afternoon. A proposed ordinance would require a shelter inside or outside each new residence.
Mom delivered baby as tornado struck
Shayla Taylor was so far along in labor that her nurses at Moore Medical Center decided not to move her when Monday's tornado hit. They waited out the storm in an operating room, where the wall disappeared as the tornado hit the building.
AUDIO: Residents share their tornado experiences
Moore, Okla., residents talk about living through Monday's EF-5 tornado.
VIDEO: Orlando shootout tied to Boston bomb suspect
The FBI says it was involved in a fatal shooting near Universal Studios in Orlando, Fla. CBS News senior correspondent John Miller reports that the victim was a friend of Tamerlan Tsarnaev, the older brother suspected in the Boston Marathon bombing.
VIDEO: Tornado survivor's missing dog found during TV interview
Barbara Garcia was being interviewed by CBS News about how she survived the destruction of her home to Monday's massive tornado in Moore, when the dog she feared dead was suddenly discovered alive in the rubble of her home.
VIDEO: Pres. Obama's remarks on the Okla. tornado
President Obama speaks on Monday's deadly Okla. tornado.
- Okla. front pages capture tornado aftermath View how several Oklahoma newspapers covered Monday's massive tornado in Moore. Please note that officials revised the death toll downward early Tuesday morning after some papers were printed, but it is expected to climb again as recovery efforts continue.
VIDEO: Tumblr sold to Yahoo! for $1.1 billion
Yahoo! has purchased Tumblr for $1.1 billion, hoping to compete more effectively with sites like Google and Facebook.
LIVE BLOG: Massive tornado hits south of OKC
A massive tornado touched down Monday afternoon in Moore, Okla., just south of Oklahoma City. Follow live coverage of the aftermath of the storm.
What you need to know about preparing for tornadoes
Tornado survivors and seasoned observers suggest people do two simple things to prepare for tornadoes: Know where to take shelter, and move quickly when the time comes.
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- Mayor wants tornado shelters in new homes