Starts With A Bang
Starts With A Bang, Big ThinkExplore 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.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 163 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
Read this Newsletter
startswithabang.substack.comLatest Issues
JWST proves that black holes really do come before galaxies
Credit: NASA, ESA, CSA, L. Furtak (Ben-Gurion University), R. Maiolino (Cambridge), F. D’Eugenio (Cambridge), I. Juodžbalis (Cambridge), H. Übler (MPE), C. Marconcini (University of Florence); Processing: A. Pagan Credit: NASA, ESA, CSA, L....
Why science resists change
with Ethan Siegel • May 30, 2026
Greetings readers,
The fact that we had Memorial Day this past Monday means we had a “short” week, with only four new stories for you. However, I wanted to make sure you got a full week’s wort...
Science’s three big hopes for finding alien life
If other inhabited planets exist in our galaxy, near-future technology that will be at our disposal within this century, or perhaps even by 2040, may be able to first uncover it. Equipped with both a coronagraph and a larger primary mirror,...
The great physicist divide
with Ethan Siegel • May 23, 2026
Greetings readers,
There’s a whole lot happening in the world of physics and astronomy, but unless you’re looking up and out into the Universe regularly, you’re liable to miss a whole lot of i...
Why the tooth fairy is important for theoretical physics
This image shows actual data about the temperature fluctuations in the CMB (lower left), plus additional induced signals in the other panels that would arise from various scenarios where the Universe rotates significantly. These scenarios a...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Starts With A Bang.
| Subscribers | Engagement | 79 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
SEO Reach
Where Starts With A Bang ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 214 | Monthly Search Traffic | Top Keywords |
|---|
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #17 |
Authors
The writers behind this newsletter.
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.
Learn from the world's biggest thinkers.
Frequently Asked Questions
How can I access the email archive for Starts With A Bang?
You can find recent issues that have been published by Starts With A Bang on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does Starts With A Bang have?
To see how many people subscribe to Starts With A Bang, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in Starts With A Bang?
Newsletter advertising can be extremely effective when it's done right. Before you pitch Starts With A Bang as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like Starts With A Bang?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Starts With A Bang using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to Starts With A Bang?
Scroll up to where it says Related Newsletters to see other publications like Starts With A Bang. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact Starts With A Bang?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.