It’s not a gambit. It’s not fraud. It’s not an opinion. And it’s not biased like you think it is. Most of us, when we think about what science is, default […]
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Almost certainly not. Here’s the science of why. The Universe, as we know it, simply doesn’t add up. On the one hand, we can look out on a cosmic scale and […]
A single lifetime is more than enough to take you to the limits of the Universe. Right now, there are only three things limiting how far our spacecrafts can take […]
It’s an incredibly useful approximation. But the truth takes us far deeper. Anyone who’s ever taken a physics course has learned the same myth for centuries now: that any object thrown, […]
And what might we learn as we collect new, never-before-seen data? If you took one of history’s top scientists from 100 years ago and dropped them into today’s world, what […]
If your Universe contains any matter at all, a constant Hubble parameter is absolutely impossible. Our observable Universe is an enormous place, with some two trillion galaxies strewn across the […]
If dark energy were stronger or weaker, everything would be pretty much the same. And that’s a puzzle. After the Big Bang, the Universe was full of matter and radiation. It […]
Spoiler: it isn’t the end of the Universe, and it’s not likely to lead to new evidence for the Multiverse, either. On March 14, 2018, the most famous and celebrated […]
A recent study points to the possibility that just 70,000 years ago, a star passed through our Solar System. How often does this happen, and what are the consequences? We […]
When we place the known objects in the Solar System in order, four inner, rocky worlds and four, outer, giant worlds stand out. Traditionally, these were defined as planets. Will […]
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 […]
Is it conserved? Destroyed? Radiated away? 40+ years on, we still don’t have answers. This article was contributed by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity and […]
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 the Universe grows to infinity, there might not be enough space to hold all the possibilities. “We are actually living in a million parallel realities every single minute.” –Marina […]
The way to greatness requires us to look forwards, not backwards. “Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, […]
It might have puzzled Einstein right up until his death, but that doesn’t mean you can’t understand it! “As far as the laws of mathematics refer to reality, they are […]
Before the Big Bang… after the Big Freeze… will everything look the same? “What is wild cannot be bought or sold, borrowed or copied. It is. Unmistakeable, unforgettable, unshamable, elemental as […]
And could every black hole our Universe creates give rise to a baby Universe itself? “Man is something that shall be overcome. Man is a rope,tied between beast and overman — a rope […]
We see them change in wavelength, energy and in their electric and magnetic fields over time. So how do they experience it? “Everyone has his dream; I would like to […]
They’re not just for dogs and cats to lay in; there’s a real, physical story behind them! “The sacred rights of mankind are not to be rummaged for among old parchments […]
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 […]
If black holes suck everything in and nothing can get out, what does that mean for dark matter? “A single day is enough to make us a little larger or, another […]
Is it how the Universe began, or just how our observable Universe began? They’re not the same! “These theories were based on the hypothesis that all the matter in the universe […]
It’s getting bigger over time, but is there anything it’s displacing, or expanding into? “Mathematicians deal with possible worlds, with an infinite number of logically consistent systems. Observers explore the […]
If they eat everything they come in contact with, how do quasars shine so bright? “Twinkle, twinkle quasi-star.Biggest puzzle from afar.How unlike the other ones.Brighter than a billion suns.Twinkle, twinkle, quasi-star.How […]
There’s a big, big difference between a “scientific” theory and all other types. It should make you more confident, not less. One of the most important things any expert hoping to […]
The way you experience time changes when you near the speed of light. So what happens when you actually reach it? “Everyone has his dream; I would like to live […]
If Americans get a “D” in science, what should the A-students do? “It is worthwhile, too, to warn the teacher that undue severity in correcting faults is liable at times […]
How the “hierarchy problem,” or why gravity is so much weaker than everything else, might be the key to the entire Universe. “I just think too many nice things have […]
At some point, a star’s core runs out of fuel. Then what? “Man loves company — even if it is only that of a small burning candle.”–Georg C. Lichtenberg You normally think […]