Michael’s Newsletter alternatives: newsletters like it

SubstackSeveral times a week · last post yesterday

Explore the cosmos with astrophysicist and author Dr. Ethan Siegel! From the origin of everything to the fate of the universe, Ethan and Big Think are here to answer your biggest questions.

Likely audience: Science enthusiasts

1 shared topic

SubstackDaily · last post today

Investigating what medicine got wrong — from screening and vaccines to psychiatry and chronic disease. 1,400+ essays, interviews, book summaries, and original books.

Likely audience: Medical researchers

1 shared topic

Substacklast post May 29, 2026

From recent posts: THE EGG AND THE ROCK publishes original research and speculative models in cosmology, galaxy formation, and astrophysics. The publication features technical papers on topics such as Lambda Cold Dark Matter and the…

Likely audience: Cosmologists

1 shared topic

SubstackSeveral times a week · last post 10 days ago

From recent posts: A science publication covering space, physics, and cosmology. Regular topics include interstellar travel feasibility, cosmic ray physics, dark energy, and the geometry of the universe. Content mixes deep astrophysics…

Likely audience: Physics researchers

1 shared topic

SubstackEvery two weeks · last post 24 days ago

From recent posts: The Quantum Cat publishes weekly science reports covering astronomy, particle physics, and the history of mathematics. It targets readers interested in current scientific discoveries and space exploration, with content…

Likely audience: Space enthusiasts

1 shared topic

SubstackMonthly or less · last post Aug 25, 2026

Likely audience: satire readers

1 shared topic

Substacklast post Jun 4, 2026

Likely audience: general readers

1 shared topic

beehiivSeveral times a week · last post 10 days ago

Everything, the Universe, and Life

Likely audience: Science educators

1 shared topic

SubstackSeveral times a week · last post 10 days ago

Retired U.S. Army veteran focused on family, financial freedom, and building a lasting legacy. Coder, content creator, and system builder creating digital projects, AI workflows, and content designed to make an impact.

Likely audience: Freelance developers

1 shared topic

SubstackEvery two weeks · last post 6 days ago

Likely audience: secular individuals considering religious belief

1 shared topic

SubstackEvery two weeks · last post 10 days ago

Likely audience: Philosophy scholars

1 shared topic

SubstackMonthly or less · last post Aug 28, 2026

O soy yo o no. Es irrelevante.

Likely audience: General readers interested in astronomy

1 shared topic

Substacklast post Jul 29, 2026

I'm a humble writer who sees the world through all of the Fads, Trends, & False Narratives of the world. I write on a wide range of subjects: Philosophy, Tech, AI, Sports, Spirituality, Love & Relationships, Sex, Social…

Likely audience: UFO enthusiasts

1 shared topic