May 22, 2013 — Officials think they've found all the survivors, and victims, of the massive tornado that devastated the community of Moore. The official death toll stands at 24. More than 230 people are said to have been injured.

May 21, 2013 — Sens. Tom Coburn and James Inhofe have become the faces of pushback on federal emergency spending. Now the deadly and devastating tornado in their home state has put them in an awkward position.

May 22, 2013 — A measles epidemic in Wales that has infected more than 1,000 people is the fallout from a fraudulent paper linking the vaccine and autism published almost 15 years ago, health officials say. Many of the children and teenagers sick with measles were never vaccinated.

May 22, 2013 — Lois Lerner, who's at the center of the political firestorm over her agency's singling out of some conservative groups for extra scrutiny, then invoked her Fifth Amendment right not to answer questions from Congress.

May 22, 2013 — Although scientists have known that a funguslike organism caused the potato blight that triggered the Great Famine in Ireland in the 1840s, they didn't know which strain was the culprit. But they do now, thanks to the genes in some 19th century potato samples.