In this photograph, General W. K. Harrison, Jr., at the left table, signs the armistice ending the three-year Korean conflict. North Korean General Nam Il signs at the right table.
Illustration of a feathery bird flying over a border wall. "Thousands of Mexicans try to cross every day from the northern border of Mexico, to the United States in search of a better life. At the same time, thousands of Central Americans cross…
Siphonophore Apolemia is suspected to be the longest organism on earth, outsizing both the blue whale and the giant squid. This particular sample is estimated to be 150 meters long. They are not actually single organisms, but rather a colony of cells…
Two women at work at the U.S. Army during World War II. The woman on the right is inputting ciphertext into an analog of the Japanese Type B Cipher Machine, codenamed "Purple" by the United States.