How the United States Looked to the Civilized World in 1803

In 1803, the United States was still struggling to be taken seriously as a nation. Still, it seemed promising enough that the great civilization known as the Ottoman Empire began to take notice of it. This gorgeous map is one of the earliest and most detailed that Ottoman geographers produced of the region. » 10/29/14 1:30pm 10/29/14 1:30pm

These Insanely Detailed Maps Of Mars Are The Most Accurate Yet

After 16 years of painstaking work, the U.S. Geological Survey has released a series of geologic maps that offer the most thorough representation of the Red Planet's surface to date. The revealing project will help mission planners target future areas for robotic — and potentially human — exploration. » 7/15/14 8:00am 7/15/14 8:00am