Seventy-five years ago, a Douglas C-54D Skymaster disappeared en route from Alaska to Montana. No trace of its crew and passengers, including a pregnant mother and her young son, has ever been found
For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were an early lichen or fungus, like a “giant mushroom”
Alaska is nicknamed "The Great Land," and for good reason: it is wild, rugged and expansive. In a series of articles, Smithsonian magazine explores the history, culture and natural wonders of the 49th state.
A new book spotlights Frances Perkins' efforts to challenge the United States' restrictive immigration policies as President Franklin D. Roosevelt's secretary of labor