History

Celestial Angles

Nicolaus Copernicus: The Life and Legacy of the Renaissance Scientist Who Revolutionized Modern Astronomy

Are the Planets Inhabited?

The 1889-1890 Flu Pandemic: The History of the 19th Century’s Last Major Global Outbreak

Zetetic Astronomy

Diseased: The A to Z of Illnesses, Medicine, and Important People Through History

Buzz Aldrin: The Life and Legacy of the Second Astronaut to Walk on the Moon

Saber-Toothed Tigers: The History and Legacy of the Most Famous Extinct Cat Species

Uncertain Climes

The Wonders of Radium

American Genesis

The journey of cannabis through time

Developing to Scale

Inca Astronomy and Astrology: The History of the Inca’s Measurements of the Planets and Stars

Gunpowder and the Printing Press: The History and Legacy of the Inventions that Modernized Europe

The Alien Question: The History of the Debate and Search for Extraterrestrials

The Search for Exoplanets: The History of the Efforts to Find Planets in Other Solar Systems

The History of Science, Sexuality, and Medicine

The James Webb Space Telescope: The History of the Most Powerful Telescope in Space

The Planet X Hypothesis: The History and Legacy of the Theory that the Solar System has a Hidden Planet