If you want to attract monarch butterflies to your garden, grow a gorgeous purple flowering tree that's commonly known ...

North America’s largest species of swallow, purple martins winter in the rainforests of Brazil before making up to a 7,000-mile migration north into the eastern United States and Canada.

while observing a tree that was beginning to turn purple. "But something is not right here: jacarandas in winter?" he wondered. Senior Correspondent based in Mexico. Reports on politics ...