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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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More than a million times what we make at the LHC, these could be the ultimate keys to nature. “Energy is liberated matter, matter is energy waiting to happen.” –Bill Bryson […]
The force of empty space isn’t always zero. Here’s how an electromagnetic experiment might be the key to dark energy. “Another very good test some readers may want to look up… […]
The greatest new anime of 2015 has some incredibly powerful feats. Here’s the physics of the most sensational one. “Human beings are strong because we have the ability to change […]
Could the secret to understanding gravity be held in reducing, not increasing, the number of dimensions? This article is written by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in […]
How the bulge, disk, and halo stars of Andromeda reveal lessons we cannot see about our own galaxy. “He who would search for pearls must dive below.” –John Dryden The Milky […]
The strongest pull for hundreds of millions of light years goes toe-to-toe against the most energetic force of all. “We detect motion along this axis, but right now our data cannot […]
And it doesn’t mean we should give up, but it does mean we’ve got a lot of work to do! “‘Star Trek’ says that it has not all happened, it has […]
The LUX experiment just set the tightest bounds ever on dark matter, and may lead us down a different path entirely. “For me the best answer is not in words […]
While there are presently more than ~10²³ stars in the Universe shining today, each one of them is fated to live only for a finite amount of time. While more […]
https://players.brightcove.net/2097119709001/4kXWOFbfYx_default/index.html?videoId=5042734601001 In the more than 40 years since Apollo ended, we’ve never gone farther. “I knew I was alone in a way that no earthling has ever been before.” –Michael Collins On […]
When the Viking landers ran their three experiments looking for life, one came up positive. That’s still a mystery. “This suggests a robust biological response. These analyses support the interpretation that […]
The infrared reveals stars — and a surprising population of failed stars — we’ve never seen before. “…innumerable stars, thousands of double and multiple systems, clusters in one blaze with their tens of thousands of […]
If everything is relative, as Einstein says, then how do cosmologists measure these quantities in ways everyone can agree? “A human being is part of a whole, called by us the […]
Why, even with infinite magnification, we’d never view the first stars. “Dwell on the beauty of life. Watch the stars, and see yourself running with them.” –Marcus Aurelius Imagine the […]
Why we’re positive the Universe isn’t all there is, and what the different possibilities for a Multiverse are. “Go, then. There are other worlds than these.” –Stephen King When you […]
A new idea links the Standard Model’s most elusive particles with the zero-point energy of the Universe. “If you’re puzzled by what dark energy is, you’re in good company.” –Saul […]
If you thought the Kuiper belt was just icy worlds of various sizes orbiting like Pluto, think again. “There have only been two true planets discovered since ancient times, and this […]
As seen by Hubble and Chandra, NASA’s greatest observatories. “My eureka moment was in the dead of night, the early hours of the morning, on a cold, cold night, and […]
And what, exactly, is the significance of a tetraquark? “I found I could say things with color and shapes that I couldn’t say any other way — things I had no words […]
We have electric charges and currents in electromagnetism, so why not magnetic ones, too? “It is possible to commit no mistakes and still lose. That is not a weakness. That is […]