On a clear, cold day in May 1959, two U.S. Army officers clad in polar gear gazed through their aviator sunglasses at the endless white horizon before them. Standing heroically in front of Arctic personnel carriers, Col. John Kerkering and Capt. Thomas Evans took measurements for ...read more

When British archaeologist Howard Carter opened a sarcophagus in Egypt’s Valley of the Kings for the first time on February 16, 1923, he stoked intrigue and mystery over an ancient Egyptian boy king. Who was King Tutankhamun, the occupant of the burial chamber who ruled 3,300 ...read more

Technology has changed the world in many ways, but perhaps no period introduced more changes than the Second Industrial Revolution. From the late 19th to early 20th centuries, cities grew, factories sprawled and people’s lives became regulated by the clock rather than the sun. ...read more

In July 1918, the 15,000-ton armored cruiser USS San Diego sank off Long Island, New York, losing six sailors from a crew of 1,200 after a mysterious explosion struck the vessel. The ship was returning home after escorting U.S. troop and cargo ships across the perilous North ...read more

A half-century ago, NASA was preparing feverishly for a moon landing in a race against the former Soviet Union. The non-stop campaign of testing and launches was also a race against time—specifically to honor slain president John F. Kennedy’s 1961 pledge for the country to land a ...read more

By 1968, America’s space program was on the brink. A launchpad fire at Cape Canaveral killed three astronauts as they were conducting tests in their space capsule in January 1967. After 20 months of congressional hearings, political fallout and a spacecraft redesign, three new ...read more

Adolf Hitler used the concept of Lebensraum (“living space”) to justify the invasion of Poland, Russia and other eastern European nations to his people. But one small chapter in Hitler’s drive for new land is often overlooked: how the Third Reich’s hunger for margarine led to a ...read more

Global tournaments like the World Cup are never free of politics and that was especially true in 1938 during the run-up to World War II when the fascist leaders of Germany and Italy were eager to put their stamp on the final outcome. But the Germans may have made a miscalculation ...read more

In 1877, Italian astronomer Giovanni Schiaparelli turned his telescope to Mars and saw signs of a potentially lush world. He would publish his observations of what he believed to be “seas” and “continents” on the Martian surface. He also described channels (later found to be an ...read more

Bullets, missiles and swords may be what most people think of when it comes to weapons, but sound has also been deployed over the millennia to disrupt, confuse or even injure opponents on the global battlefield. From the Israelite army of trumpet-blaring priests who shook the ...read more