By America's 100th birthday, people traveled by steamboat and buggy, communicated via telegrams, and the Gilded Age was afoot ...

On March 10, 1876, a 29-year-old Scottish immigrant named Alexander Graham Bell sat in a modest laboratory at 5 Exeter Place in Boston and did something no human being had ever done: He spoke into a ...

Add Yahoo as a preferred source to see more of our stories on Google. Unified systems of measurement are important for scientific progress. (Shutterstock) On May 20, 1875, delegates from a group of 17 ...

History's most consequential "come here" was uttered 150 years ago this week. On March 10, 1876, Alexander Graham Bell stood in a Boston lab and spoke nine plain words to his assistant, Thomas Watson— ...

Today, Shinagawa and Takanawa are lined with skyscrapers and bustling with many trains. However, about 150 years ago, the sea ...

The human artifacts we call cities first appeared less than 10,000 years ago. The ancestors of today's trees are some 20,000 times older than the oldest cities. As trees have been exposed to more than ...