Antarctica's emperor penguins are the largest and most iconic of the world's penguin species. They look like they're wearing a tuxedo with yellow and orange coloring around the collar. Researchers from the British Antarctic Survey are reporting that last year was a very bad breeding year for the emperors. They say it's likely no chicks survived in 4 out of 5 emperor penguin colonies in one region of Antarctica. The animals hatch their eggs and raise their chicks on sea ice that forms around the