The U.S. Army started to reorganize and consolidate in the 1920s. At Fort Huachuca this meant an end to its time hosting not only the 10th Cavalry and 25th Infantry Buffalo Soldiers, but the last remaining Apache scouts as well.

When they weren’t patrolling the border or invading Mexico, the Buffalo Soldiers had lives filled with Army drills, band concerts, baseball games, dances with eligible women and, oh yeah, all kinds of discrimination.

We continue our deep look into the service of the Buffalo Soldiers with one of the main highlights of their time in Arizona - protesting the border and invading Mexico.

The Buffalo Soldiers left quite a legacy, both in general and in Arizona. Along the border town of Naco, part of that legacy is still standing - and some folks want to keep it that way.

This is the story of how one Chinese man became a legend at Fort Huachuca.

Before it became the very model of a modern Army installation, Fort Huachuca started out as the temporary Camp Huachuca, a remote, frontier outpost that was simply struggling to hold on.

In 1930, a young man from Kansas working in Flagstaff noted an object move 3.5 millimeters between two photographic plates. And our understanding of the Solar System has never been the same.

While you can’t talk about Percival Lowell without mentioning his views on Mars, you also have to discuss his other great obsession - finding the hypothetical ninth planet hiding on the fringes of the solar system.

During the first two decades of its existence, Lowell Observatory furthered both one of the great astronomical misconceptions and breakthroughs of the 20th century.

In May 1894, a rich, globetrotting, and brilliant mathematician from Boston came to Flagstaff for a special purpose - finding evidence of life on Mars.