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.

einstein
Many mavericks look to Einstein as a unique figure, whose lone genius revolutionized the Universe. The big problem? It isn't true.
Einstein
Beyond stars, galaxies, and gravity, studying the fundamental workings of nature reveals widely applicable lessons for learners everywhere.
ring nebula hubble jwst nircam miri
More than two years after JWST began science operations, our Universe now looks very different. Here are its biggest science contributions.
A panoramic image of the Milky Way galaxy, with an inset showing a zoomed view of distant galaxies, tells a cosmic story. This region, highlighted in textured detail, echoes the exploration themes of the Euclid mission.
What are dark matter and dark energy? The large-scale structure of the cosmos encodes them both, with ESA's Euclid mission leading the way.
Friedmann equation
The most common visual depictions of the history of the Universe show the Big Bang as a growing tube with an "ignition" point. Why is that?
The fabric of spacetime is four-dimensional, with three for space and only one for time. But wow, time sure is different from space!
Silhouette of NASA's Europa Clipper spacecraft with antennas poised against a colorful planetary surface, sparking dreams of alien life.
Could life be widespread throughout the cosmos, in the subsurface oceans of ice-covered worlds? NASA's Europa Clipper mission investigates.