In the legends, King Arthur is brutally betrayed by his once-loyal knight Sir Lancelot—but the real, historical inspiration for this treachery is even more horrific.
A shoe-print fossil discovered in a seam of coal in Fisher Canyon, Nevada is believed to be about 15 million-years-old—and the explanation for its existence is mind-blowing.
March 30, 1981: On that day in Washington D.C. John Hinckley Jr. shot, and wounded, President Ronald Reagan. Why did he do it? What lead up to it and what happened after?