The Harpe Brothers were confirmed to have killed 39 people, often for no reason, and are believed to have killed many more. Source: Picryl / Public Domain.

The Harpe Brothers: The First Serial Killers in American History

The United States has had more serial killers than any other nation in modern history. US law enforcement communities even found it necessary to define the term, back in the 1960s. Before then the very idea of a serial killer had not even been conceived. There is something about the lonely highways, the disappearances and

A bronze cannon dating from the Coronado Expedition has been found in Arizona. The gun, dated to around 1540, is the oldest firearm ever found in the United States.

Oldest Firearm in US History Found in Arizona

Archaeologists in Arizona have uncovered a bronze cannon which dates back to the Coronado Expedition of the early 16th century. Francisco Vázquez de Coronado (1510 -1554), a Spanish nobleman and conquistador, led a sizeable expedition from what is now Mexico across the southwestern United States between 1540 and 1542. The cannon, according to the study

The end of the Dancing Mouse: The USS Edsall sinks, as captured by the attacking Japanese task force. Source: US Naval History and Heritage Command / Public Domain.

The Dancing Mouse: USS Edsall Wreck Rediscovered After 80 Years

It is March, 1942, and the US is reeling from the Japanese surprise attack on her surface fleet at Pearl Harbor three months before. A lone, Clemson-class destroyer, the USS Edsall, crosses the Indian Ocean headed for Tjilatjap, the only deep-water port on the island of Java. The Edsall is far from cutting edge. Launched

Polly Bartlett is said to have killed 22 people, Wyoming’s first serial killer. That is, if she ever existed. Source: soliozuz / CC BY-NC-SA 3.0.

The Legend of Polly Bartlett, the Murderess of Slaughterhouse Gulch

The Wild West was a lawless land. As the US settlers pushed west from the original territories of the United States towards the Pacific coast they encountered many dangers. The countryside was a dangerous place, the terrain often broken especially in the foothills of the Rocky Mountains. Outside of the safety of the towns there

This picture of Artificial Intelligence was itself created by Artificial Intelligence. It is, in effect, a self-portrait. Source: Alenoach / Public Domain.

21 Grams, Artificial Intelligence, and the Path to Robot Suffrage

In 1901 a doctor from Massachusetts found himself facing a puzzling question. The doctor, Duncan MacDougall, wished to reconcile the two major influential factors in his life: medicine along with the science that underpinned it, and religion. Put another way, MacDougall both understood and did not understand the human body. He knew much about its

The thin remnant atmosphere that currently covers the red planet. Researchers at MIT have now found out what happened to the carbon dioxide atmosphere that once covered Mars. Source: NASA / Public Domain.

Mars Mystery Solved? MIT May Have Found Its Lost Atmosphere

Mars has fascinated mankind for much of its history. Unusually and distinctively red even when viewed with the naked eye, it was watched as it traced its unusual path across the sky by the great lost civilizations of old. Both the ancient Egyptians and ancient Chinese have records of Mars in their astronomical notes. The

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