Five diagrams of the surface of the moon, during its phases. Aquatint after Galileo Galilei

1610: Dawn of the Extraterrestrial

Galileo's telescopic view of the Moon sparked a giant transformation in the way human beings thought about the natural world.
A typical long-horn Texas Steer

Longhorns Long Gone (And Returned)

The end of the era of so-called Texas Longhorns doesn’t seem to have been sentimentalized at the time. Why do we wax nostalgic about it now?
Cadets of the 3rd Regiment approach their objective as a simulated mortar shell explodes in the distance in Training Area 9 during Army ROTC Cadet Summer Training on July 1, 2021 in Fort Knox, Kentucky

From Weapons to Wildlife?

While war is an environmental as well as human disaster, readiness and preparation for armed conflict is more ambiguous ecologically.
Sir Walter Raleigh, English explorer of the Americas smokes a pipe of the tobacco he has brought back from his expedition, while his servant, thinking he is on fire, hurries towards him with a jug of water, circa 1580

How Books Taught Europeans to Smoke

The printed word helped spread the inhaling habit across the continent.
A false colored scanning electron micrograph of a flour beetle

Bugging Out

The complicated, ever-changing, millennia-long relationship between insects and humans.
Pictorial Map of the American Continent Following the Pan American Highway, c. 1930

The Pan-American Highway and the Darién Gap

The Pan-American Highway began a century ago with a vision of unfettered motor-vehicle access between Alaska and Tierra del Fuego. What happened to the dream?
Grizzly Adams

The True Story of Grizzly Adams

In order to invent a legendary hero of the Wild West, John Adams shook himself free from his life as shoemaker in Massachusetts.
Portrait of astronaut in space suit and helmet

Space Medicine for the Inexperienced Astronaut

The promise of commercial spaceflight raises questions about how untrained travelers will endure the extreme hostility of space.
From THEM!, 1954

Fear of an Insect Planet

"Big bug movies" of the 1950s have been interpreted as projections of nuclear anxieties. But what if they were about...actual fear of bugs?