The Cosmobiologist
Graham LauMeditations on life, the universe, and (mostly) everything.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 97 | Subscribers | Read | cosmobiota.substack.com |
Curious about how many subscribers The Cosmobiologist has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over three million newsletters.
Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.
Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.
Latest Issues
Recent posts by this newsletter. Browse the email archive.
The Company We Keep
I was driving to the gym the other day when a thought stirred in me about memory and influence.
The Astrobiology and Panzoic Book Club 2026
Firstly, I just need to share that I am utterly floored by how many people want to join in on these readings.
Alien Invasion Scenarios: A Field Guide to Sci-Fi Nightmares
(Note: This is easily the longest piece yet here on The Cosmobiologist. For those subscribers reading via email, you’ll need to open this on Substack to view the whole thing!)
Announcing the 2026 Astrobiology and Panzoic Book Club
Help me pick the 12 books to read and write about in 2026.
Similar Newsletters
Other publications recommended by the authors of this newsletter.
Authors
The writers behind this newsletter.
Dr. Graham Lau is an astrobiologist and communicator of science. He serves as the Director of Communications and Marketing for Blue Marble Space and as the Host of the NASA-funded show “Ask an Astrobiologist”
Frequently Asked Questions
How can I access the email archive for The Cosmobiologist?
You can find recent issues that have been published by The Cosmobiologist 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 The Cosmobiologist have?
To see how many people subscribe to The Cosmobiologist, 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 The Cosmobiologist?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Cosmobiologist 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 The Cosmobiologist?
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 The Cosmobiologist using the contact information provided and ask for a copy of their media kit.
How can I find newsletters similar to The Cosmobiologist?
Scroll up to where it says Similar Newsletters to see other publications like The Cosmobiologist. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Cosmobiologist?
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.