Editor's Note: Follow live coverage of the pandas' arrival to D.C. here. Panda-monium is back!... Or at least, on the way. A pair of 3-year-old giant pandas have begun their journey to the National ...

Meng Meng, Berlin Zoo's female giant panda, is expecting twin cubs, an ultrasound examination has revealed, the zoo authorities announced on Tuesday. "Following weeks of tense expectation, there was a ...