What is a Risk Factor for Breast Cancer?

Jodi Arias Feels 'Betrayed' By Jury

The convicted killer sat down with ABC News' Ryan Owens after pleading for her life.

Jodi Arias to Donate Hair, Recycle If Allowed to Live

Convicted murderer says she "can't in good conscience" ask jury to sentence her to death.

FBI Fatally Shoots Florida Man in Boston Bombing Probe

FBI says a "violent confrontation" followed the questioning of Ibragim Todashev.

Two Schools Hit by Tornado, One Happy Ending

Several Okla. students died at Plaza Towers elementary, but no casualties at Briarwood.

Tornado Survivors 'Big Dog, and Little Dog' on Reunion

Hug between Hezekiah Darbon and his neighbor was one of the most touching moments after the storm.

Cleveland Kidnap Victim Visits Salon for First Time in Decade

Gina DeJesus, 23, takes another step in her physical and emotional recovery.

Plus-Size Model Battles Back Against Wave of Criticism

H&M's swimwear model Jennie Runk says she's fed up with the negative comments.

2 Schools Decimated by Okla. Twister

Two-mile-wide tornado touched down just as students were being released from school.

Florida Teen Arrested for Same-Sex Relationship

Kaitlyn Hunt, 18, faces felony charges for having a sexual relationship with a 15-year-old girl.

Kellie Pickler Wins 'Dancing With The Stars' Mirror Ball Trophy

Country music star and fan favorite Kellie Pickler was named the winner of the show's 16th season.

Oklahoma Tornado: Stories of Survival and Hope

Families reunited after a monster tornado leveled Moore, Okla., killing at least 24 people.

Oklahoma Hit by Most Powerful Tornado

Sam Champion tracks the trail of destruction caused by the devastating EF-5.

Nancy Grace on Arias' 'Save Me So I Can Sell T-Shirts' Plea

Grace and Dan Abrams discuss the convicted murderer's statement to jury and latest TV interview.

Tornado Survivor Made It to Shelter Just in Time

Residents of Moore, Okla., had minutes to take cover before disaster struck.

Cat Mimics Girl, Baby Snuggles Kitten

Josh, Sam and Lara share cute cat videos from the Internet.