National
Poll: Teens migrating to Twitter
Poll says teens sharing more on social media sites, trending more to Twitter
More tornadoes from global warming? Nobody knows
Scientists: Unlike hurricanes and nor'easters, tornadoes show no clear link to global warming
Teachers credited with saving students in Okla.
'We don't want you to die!': Teachers credited with saving students' lives in Okla. tornado
Arias asks jury to give her life in prison
Jodi Arias tells jury she can contribute from prison if she's allowed to live
Correction: Missing Mom-Utah story
Correction: Missing Mom-Utah story
AP photographer sees kids pulled from Okla. school
AP photographer describes rescuers pulling children from tornado-flattened Oklahoma school
Judge promises more openness in Chandra Levy case
Washington judge promises more openness in post-trial hearings in Chandra Levy case
Protesters rally over IRS' tea party scrutiny
Chanting 'Stop the IRS,' protesters rally over agency's scrutiny of tea party groups
Conn. rail service to return to normal Wednesday
Conn. train service to return to normal Wednesday after last week's derailment
Fire chief says search almost complete in Oklahoma
Fire chief says search for survivors, victims of Oklahoma tornado nearly complete
Power of Moore tornado dwarfs Hiroshima bomb
Precise combination of factors create Okla. killer tornado with power of many Hiroshima bombs
Gay Fla. teen charged for underage girlfriend
Gay Fla. teen facing charges of having sexual contact with 14-year-old girlfriend
Slow pokes: Acupuncture helps hypothermic turtles
After days on pins and needles, chilled Mass. sea turtles recovering with help of acupuncture
AP PHOTOS: Devastation, reunion in tornado wake
AP PHOTOS: Images of devastation, reunion in tornado wake
With high-tech guns, users could disable remotely
High-tech guns would allow users to track and disable their weapons remotely
Oklahoma twister tracked path of 1999 tornado
In unusual pattern, Oklahoma tornado tracked path of 1999 monster twister with record winds
Study: Most shipwrecks a minor US pollution threat
Report: 87 shipwrecks, most from WWII, could leak oil near US, but no 'ticking time bombs'
Deal on bin Laden evidence made in WikiLeaks case
Deal struck on bin Laden evidence in WikiLeaks case; raid witness may not have to testify
Moniz: LNG exports on hold until data reviewed
Moniz, sworn in as energy secretary, delays action on LNG exports while he studies data
In tornado's wake, worried parents seek out kids
In deadly Okla. tornado's wake, tearful reunions and worrisome waits for parents, children



