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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.
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In 1920, astronomers debated the nature of the Universe. The results were meaningless until years later, when the key evidence arrived.
As time goes on, dark energy makes distant galaxies recede from us ever faster in our expanding Universe. But nothing truly disappears.
In the grand scheme of the cosmic story, a single year isn't all that significant. But over time, the annual changes really add up!
The very word "quantum" makes people's imaginations run wild. But chances are you've fallen for at least one of these myths.
For nearly a century, physicists have argued over how to interpret quantum physics. But reality exists independent of any interpretation.
Ever since the Big Bang, cataclysmic events have released enormous amounts of energy. Here's the greatest one ever witnessed.
All the things that surround and compose us didn't always exist. But describing their origin depends on what 'nothing' means.