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 | 168 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
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startswithabang.substack.comLatest Issues
Yes, interstellar comet 3I/ATLAS is older than the Solar System
This multi-frame animation shows interstellar comet 3I/ATLAS as it moves across a field of stars in this Hubble Space Telescope imagery from July 21, 2025. Observations from Hubble, SPHEREx, and JWST have revolutionized what we know about t...
An entire Universe in an atom
with Ethan Siegel • June 20, 2026
Greetings readers,
I’ve been away at the American Astronomical Society’s annual summer meeting this past week, and I’ve had some exciting new stories and scoops that have already been reporte...
Rarest elements reveal planets eaten by white dwarfs
Despite the fact that white dwarfs are the final remnants of Sun-like stars after the end of the red giant phase, planets are known to be able to persist around them. When planets or other massive, heavy element-rich bodies encounter a whit...
Earth's worst-case comet
with Ethan Siegel • June 13, 2026
Greetings readers,
Every time we look up, we’re treated to not just what we can see with our eyes or even with our instruments and observatories, but our minds feast on all that we can imagin...
10 years after LIGO
with Ethan Siegel • June 6, 2026
Greetings readers,
As with most things in life, there are ups and downs that scientists continuously face in our attempts to make sense of the Universe. On the one hand, there are incredible s...
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Authors
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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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