Long-form essays on history and astronomy, pairing archival detective work with clear explanation of scientific and historical puzzles, such as a disputed 1680 star observation and solar neutrino experiments. Readers get careful, well-sourced narratives that show how evidence is weighed and where uncertainty remains.

Niall Ferguson's Time Machine is a Substack newsletter from historian Niall Ferguson that uses historical analysis to examine current economics, politics, and culture. Issues cover topics such as European protests and debt, American founding principles, election-year risks, and newly unlocked Nixon White House tape transcripts.

A daily history newsletter that retells dramatic events that happened on the same calendar date, with narrative detail drawn from primary and historical sources. Readers get vivid, well-researched accounts of moments like plane crashes, battlefield surrenders, and Cold War crises.

A weekly newsletter by linguist Colin Gorrie exploring the hidden history of English words and writing conventions, with accessible essays on etymology, usage, and how language works. Readers get well-researched explanations of why everyday words and grammar came to be the way they are.