It's a persistent piece of trivia, often repeated in classrooms and casual conversations: "The Great Wall of China is the only man-made structure visible from space." It's a testament to the Wall's ...

Ohio residents living in the town of Dublin embraced the spirit of their twin city — Dublin, Ireland — for St. Patrick's Day this year. More than 1,050 locals wore bright green ponchos and headed to ...

Researchers from the German Primate Center—Leibniz Institute for Primate Research and the Max Planck Institute of Molecular Cell Biology and Genetics have discovered two specific genes that evolve ...