WASHINGTON — Warming temperatures are forcing Antarctic penguins to breed earlier and that's a big problem for two of the cute tuxedoed species that face extinction by the end of the century, a study ...
WASHINGTON — The dwindling march of the penguins is signaling that the world's oceans are in trouble, scientists now say. Penguins may be the tuxedo-clad version of a canary in the coal mine, with ...