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 | 180 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
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startswithabang.substack.comLatest Issues
Which 10 atmospheres are the Solar System’s thickest?
Credit: NASA, ESA, CSA, Matthew Tiscareno (SETI Institute), Matthew Hedman (University of Idaho), Maryame El Moutamid (Cornell University), Mark Showalter (SETI Institute), Leigh Fletcher (University of Leicester), Heidi Hammel (AURA); Proc...
The first stargazers
with Ethan Siegel • August 1, 2026
Greeting readers,
In almost every phenomenon within our physical Universe, if you look hard enough, there are secrets of nature just waiting to be unlocked. From the quantum phenomena at pla...
The 20 biggest cosmic discoveries of the last 20 decades
This image shows 15 of the hundreds of identified “Little Red Dot” galaxies discovered in the distant Universe by JWST. These galaxies all exhibit similar features, but only exist very early on in cosmic history; there are no known examples...
The sweetest discovery
with Ethan Siegel • July 25, 2026
Greetings readers,
For me, one of the most exciting moments in science is when theoretical predictions and direct evidence — observational or experimental — finally come together to deliver a...
A cosmic first: separated sibling stars reunited by supernovae
This multiwavelength view of the region around the IC 443 complex (the Jellyfish Nebula) reveals many extended features in gamma-ray and other energetic wavelengths of light. Although the bright bubble at the right is the most prominent fea...
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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.
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