After a 97-year-old Galápagos tortoise named Mommy gave birth, David Muir reports on the debut of four critically endangered Western Santa Cruz Galápagos tortoises at the Philadelphia Zoo.
Joyous singing turned to screams Saturday as New Yorkers who turned out to Pier 17 for a send off of a Mexican navy ship on a goodwill tour watched in horror as the vessel slammed into the Brooklyn Br...