The Universe is out there, waiting for you to discover it.
Our mission: to answer, scientifically, the biggest questions of all.
- What is our Universe made of?
- How did it become the way it is today?
- Where did everything come from?
- What is the ultimate fate of the cosmos?
For countless generations, these were questions without resolutions. Now, for the first time in history, we have scientific answers. Starts With A Bang, written by Dr. Ethan Siegel, brings these stories — of what we know and how we know it — directly to you.
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Featured
Why power generated through nuclear fusion will be the future, but not the present, solution to humanity’s energy needs.
It’s a strange idea to consider: that a tiny building block of matter, the atomic nucleus, holds the greatest potential for energy release.
And yet, it’s true; while electron transitions in atoms or molecules typically release energy on the order of ~1 electron-Volt, nuclear transitions between different configurations release energies a million times as great, on the order of ~1 Mega-electron-Volt.
Popular
From before the Big Bang to the present day, the Universe goes through many eras. Dark energy heralds the final one.
A wild, compelling idea without a direct, practical test, the Multiverse is highly controversial. But its supporting pillars sure are stable.
The surface and atmosphere is colored by ferric oxides. Beneath a very thin layer, mere millimeters deep in places, it’s not red anymore.
The first supernova ever discovered through its X-rays has an enormously powerful engine at its core. It’s unlike anything ever seen.
Just 13.8 billion years after the hot Big Bang, we can see 46.1 billion light-years away in all directions. Doesn’t that violate…something?
All Stories
You know what a black hole is, and we’ve found a few so far. But oh, are there ever so many more out there! “Black holes are the seductive dragons of […]
Every star must eventually run out of fuel and die… but did you know the galaxy itself will come to an end someday? “Unless one says goodbye to what one loves, […]
If we see an atomic nucleus decay in a particular way, it means the Universe is fundamentally different from how we see it today. “There are several categories of scientists in […]
The event horizon is real, and we know it without even needing to see it directly. “Where we’re going, we won’t need eyes to see.” –Sam Neill, Event Horizon If […]
Constant? Not-a-constant? Or is there a fundamental flaw in the way we’re doing business? This article was written by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity […]
It isn’t just supernovae or merging neutron stars. In fact, it’s the quietest way of all! “N6946-BH1 is the only likely failed supernova that we found in the first seven years […]
There’s a point beyond which we cannot go, there are things beyond that we cannot know. But here’s what we expect. “The Edge… there is no honest way to explain it […]
It’s not too late to change course, but we’re headed in the wrong direction faster than ever now. “Oh Beautiful for smoggy skies, insecticided grain,For strip-mined mountain’s majesty above the asphalt […]
NASA’s Earth observing missions aren’t the only casualty. Arguably, eliminating education is even more egregious. “First Rate People hire first rate people. Second rate people hire third rate people.” –Hermann […]
Did you guess ‘resonance’? Guess again. “At least six lamp posts were snapped off while I watched. A few minutes later, I saw a side girder bulge out. But, though the […]
The oddest star known in the galaxy is dimming again, and this time it might give up some of its secrets! “As far as I can tell, every telescope that can […]
After 13.8 billion years, we just might know all the rest to come Have you ever wondered how the Universe will end? In the far future, everything that we know, see, […]
If even black holes won’t last forever, what will happen when the last one goes? “My discovery that black holes emit radiation raised serious problems of consistency with the rest of […]
If the LHC can’t produce new fundamental particles, the collisions coming from it still a chance to teach us something incredible. “It was quite the most incredible event that has […]
Want humans to go to the Moon or Mars? Then let’s stop wasting time and resources and go do it! “We had this whole big beautiful place for discovery, and all […]
The aptly named ‘Fireworks galaxy’ just had its tenth supernova in the past century, setting a record. Learn how to see it! “When a massive star explodes at the end of […]
If every infinite outcome were equally likely, we’d never come to be. “Logic takes care of itself; all we have to do is to look and see how it does it.” –Ludwig […]
Past or present, if there’s ever been any life at all, it changes everything. “They say once you grow crops somewhere, you have officially ‘colonized’ it. So technically, I colonized […]
Dark energy may be real and the Universe may be accelerating, but does that mean a Big Freeze is inevitable? “It’s everywhere, really. It’s between the galaxies. It is in […]
Five independent images point to an incredible, single story, but the mystery of how it was created still remains. “The origin and evolution of life are connected in the most intimate […]
One of inflation’s co-founders lashes out against the community. But is there a scientific leg to stand on? “…an understanding of the infinite tree of universes seems to be needed in […]
The 20th century held some incredible advances across all the science. But astrophysics’ best days are yet to come. “When we have found how the nucleus of atoms is built up […]
Could there be a massive, giant planet beyond Neptune? Here’s what the science says… for now. “Finding out that something you have just discovered is considered all but impossible is one […]
How looking at a single, distant galaxy cluster can show us the invisible mass filling our space like nothing else. “We find them smaller and fainter, in constantly increasing numbers, and […]
Even with the greatest telescopes imaginable, there are billions of light years with nothing recognizable by today’s standards. “Despite its name, the big bang theory is not really a theory […]
It hasn’t happened yet in the entire Universe, not even once. “End? No, the journey doesn’t end here. Death is just another path, one that we all must take. The grey […]
If you have a choice between “known astrophysical objects” and “new physics,” bet on the known. “Two recent studies by teams in the U.S. and the Netherlands have shown that the […]
A live-blog event happened a week ago, but you can catch the entire thing anew here, right now! “We have never observed infinity in nature. Whenever you have infinities in […]
Even if you have a problem with the messenger, you still need to heed the message. “Whether humans are responsible for the bulk of climate change is going to be left […]
We’ve discovered some behemoths, but one outclasses them all. “There is always a heavy demand for fresh mediocrity. In every generation the least cultivated taste has the largest appetite.” –Paul Gauguin […]