Skip to content

Ethan Siegel

A theoretical astrophysicist and science writer, host of popular podcast "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.

Ethan Siegel Starts with a Bang!

The Astro Alphabet

Image credit: Galaxy Zoo’s writing tool, via Every letter holds a special story for those who marvel at the Universe. “When I was having that alphabet soup, I never […]

Weekend Diversion: Trompe-l’œil Art

Image credit: Pier Luigi Capucci, c.c.-by-2.5, via Deceive your eyes with this amazing art technique that makes 2-D drawings come alive! “The contemporaries and rivals of Zeuxis were Timanthes, Androcydes, […]

The Multiverse is not the answer

Image credit: Moonrunner Design, via Inflation tells us that it’s likely real, but can it be the answer to any of our scientific questions? Probably not. “Physical reality does not […]

Should you get your PhD?

Image credit: Barbara Di Eugenio of UIC, via You’ll be investing 5-to-7 years of your life. What will you get back? “An investment in knowledge pays the best interest.” –Benjamin […]

All About Cosmic Inflation

Image credit: © Sergio Eguivar of Buenos Aires Skies, via What everyone should know about where our matter-and-radiation-filled Universe came from. “I don’t think at this point we have any […]

Ask Ethan #28: Feeding the Monster

Image credit: European Research Media Center; ESO/MPE/M. Schartmann/L. Calçada. Is the largest object in our galaxy — our central black hole — poised to devour a massive gas cloud? “What makes us love… is when […]