Ethan Siegel

Ethan Siegel

A theoretical astrophysicist and science writer, host of popular podcast “Starts with a Bang!”

Ethan Siegel Starts with a Bang!

Ethan Siegel is a Ph.D. astrophysicist and author of "Starts with a Bang!" He is a science communicator, who professes physics and astronomy at various colleges. He has won numerous awards for science writing since 2008 for his blog, including the award for best science blog by the Institute of Physics. His two books "Treknology: The Science of Star Trek from Tricorders to Warp Drive" and "Beyond the Galaxy: How humanity looked beyond our Milky Way and discovered the entire Universe" are available for purchase at Amazon. Follow him on Twitter @startswithabang.

Earth exoplanet direct imaging degraded
NASA has finally chosen which flagship mission, like Hubble and JWST, will launch in ~2040. Detecting alien life is now a reachable goal.
Bullet Cluster separation mass gravity x-ray lensing
19 years ago, the Bullet Cluster provided an empirical proof for dark matter. Even today, modified gravity still can't explain it.
A bright flash of light in the Universe
In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?
colliding black holes
Many people out there, including scientists, claim to have discovered a series of game-changing revolutions. Here's why we don't buy it.
galaxy RXJ2129-z8HeII
The Universe certainly formed stars, at one point, for the very first time. But we haven't found them yet. Here's what everyone should know.
Mauna Kea with Gemini North
A history of injustice and the greatest natural location for ground-based telescopes have long been at odds. Here's how the healing begins.
JWST Pandora's Cluster Abell 2744
Along with gravitational lensing and ALMA's incredible long-wavelength spectroscopy, JWST is reshaping our view of the early Universe.