On May 29, 1810, Katherine Fritsch, a sister in the Moravian Church, boarded a coach in Lititz, Pennsylvania, along with a group of her friends and began the 75-mile trek to Philadelphia.…

The two men in the coach were both 28 years old, born within a few months of each other in 1571. Frederik was Danish and Johannes was German, and for different reasons they now found…

Parts of the world might have shut down, but nature never does. Even while people stay at home and learn about physical distancing, weather, tectonic shifts, meteorites, and solar…

In the first half of the sixth century B.C., a Greek man named Anaximander, born in Turkey, sketched the world in a way no one had previously thought to do. It featured a circle, divided…

The dinosaur is a chimera. Some parts of this complex assemblage are the result of biological evolution. But others are products of human ingenuity, constructed by artists, scientists,…

At first, it was hard to attract women to China Lake. Maybe it was the slot machines at the officers’ club; or the taxi to the brothels at the nearby mining town of Red Mountain;…

In the early years of the 17th century, Johannes Kepler argued that the universe contained thousands of mighty bodies, bodies so huge that they could be universes themselves. These…

All through a long life I had three main concerns, with a clear order of priority. Family came first, friends second, and work third.” So writes the pioneering theoretical physicist…

The first time they met, French artist Françoise Gilot seemed more interested in her salad than in Jonas Salk—somewhat embarrassing for her friend Chantal Hunt, who had insisted…

In the skies over Moscow, in the decades before the collapse of the socialist state, stood three symbols of the space program: the rocket, the cosmonaut, and the red star. The rocket…