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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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99 years ago, General Relativity was still unproven. During the 1918 eclipse, a small team of Americans almost changed that. “Astronomers are greatly disappointed when, having traveled halfway around the world […]
Gravitational waves and spacetime ripples have so much more to do with the Universe than just merging black holes. “The years of searching in the dark for a truth that one […]
If you know when, where and how to look, the show will still be spectacular. “My dad took me out to see a meteor shower when I was a little […]
Black holes shouldn’t be this big, much less this big so many billions of years ago. Yet here we are. “Ultramassive black holes — that is, black holes with masses exceeding 10 billion […]
The speed of light is a universal constant, but that doesn’t necessarily mean that light always travels at that speed, does it? “There was a young lady named Bright,Whose speed was […]
The atoms, planets, stars, and even galaxies aren’t expanding, even though space is. How come? This article was written by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity […]
On August 21st, 2017, a total eclipse will hit 14 states. Here’s your guide to everything you need to know. “…and the Sun has perished out of heaven, and an […]
If you can’t look at the full suite of evidence and tell the full truth, you’re nothing but a deliberate misleader. At best. “Climate change does not respect border; it does […]
The greatest advances in human history have come from science and scientific knowledge. Don’t stop now. “Bad times have a scientific value. These are occasions a good learner would not miss.” […]
But there are resources, tips, and telltale signs to keep you from being duped. “Some people think that the truth can be hidden with a little cover-up and decoration. But as […]
Holes, lines, or even walls in space aren’t just fiction; they could actually exist! “Weakness of character is the only defect which cannot be amended.” –Francois de La Rochefoucauld The biggest lesson […]
Before we go venturing off to another star to look for life, why not look here? “If I had to describe myself to an alien I’d say I was bigger than […]
With August 21st just a few weeks away, it’s time to learn everything we can! On August 21, 2017, a coast-to-coast total eclipse across the United States will occur, the […]
Unpredictable winters? Seasons that don’t line up? It’s possible with the right configuration, says physics. “Lord of Light! Come to us in our darkness. We offer you these false gods. Take […]
With five moons orbiting it, Pluto is the richest rocky world known to date. How did it get that way? “We really expect the mission to be transformational. This is the […]
Totality is a time to look at the eclipsed Sun, enjoy, and marvel at it. But for photographers, there’s even more in store. “Having totality means being capable of following ‘what […]
The red planet is nearby, cool, sunny, and was once potentially habitable. Could it someday be that way again? “It would be great some day to have astronauts in a rover […]
From a Universe that went no bigger than our Milky Way to the trillions of galaxies in our expanding Universe, our knowledge increased one step at a time. “Gamow was fantastic […]
If all we had were hydrogen and helium after the Universe were born, we wouldn’t be here today. “The discovery of deuterium and the marked differences in the physical and chemical […]
After a generation, we’re finally getting another close-up view. With the science we’re learning, we just might solve its mysteries. “Jupiter instead cooled down below the threshold for fusion, but […]