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When the Universe gives us clues, we ignore them at our own peril. When you approach the world scientifically, you seek to gain knowledge about how it works by asking it […]
In principle, the laws of physics are the same forwards and backwards. But in practice, time only runs in one direction. Most of the laws of physics are the same […]
The idea that celestial objects exist within utterly immense cosmic structures is becoming inescapable.
The calorie is the basic unit of measure of food — and it might be off.
Alternative meats are finally hitting the mainstream.
From literature to physics, the annual Nobel Prizes aim to highlight the most groundbreaking achievements in every field.
If a star spins and then collapses, what happens to its angular momentum? The most common way to form a black hole in the Universe is to have a massive […]
Over the past 30 years, we’ve revolutionized what we know about the Universe. But we couldn’t have done it without these lessons. On April 24, 1990, the Hubble Space Telescope rocketed […]
She may not be ours forever.
Red, green, and blue? What we call ‘color charge’ is far more interesting than that. At a fundamental level, reality is determined by only two properties of our Universe: the quanta […]
No matter how long you wait, the matter that makes you probably won’t end up inside a black hole. It’s one of the most pervasive ideas out there: if you wait […]
A parlor-trick mystery explained at last.
Yes, life exists in our Universe. No, that statement doesn’t equal science. Imagine you’ve encountered a natural phenomenon you want to understand better, but don’t have the tools to do so. […]
Few could match the famous physicist in his ability to communicate difficult-to-understand concepts in a simple and warm fashion.
When you struggle with anxiety or depression, sex may be the last thing on your mind. But understanding the physiological and mental benefits of a healthy sex life can help it become a tool for well-being.
Why would people rate certain names as being more extraverted or more agreeable?
Everything we know can be traced back to the Big Bang, and before that, cosmic inflation. But what if we look to the future? Looking out at the Universe today, it’s […]
We speak about it, argue over it, and even fight wars for it. We know it when we see it. But just what is energy, anyway? When it comes to being […]
Doomsday prophesies have never once come to pass, but they’ve never had science on their side like this before. Every year, the Earth completes an orbital revolution around the Sun, returning […]
Not building one means giving up on brute force. We’re not yet ready to do that. There’s a problem with the field of high-energy physics, and it’s the biggest one imaginable. […]
A longstanding astronomical gap between neutron stars and black holes is finally coming to a close. Astronomy has taken us so far into the Universe, from beyond Earth to the planets, […]
The darkness of the night sky was a mystery for generations of humans. Here’s the reason why. From our perspective here in the Solar System, it makes absolute intuitive sense why […]
Colonizing the Red Planet isn’t a bad idea in theory. But . . .
It might be the biggest conundrum facing cosmology today. But perhaps it’s not a controversy; it might be a clue. https://soundcloud.com/ethan-siegel-172073460/starts-with-a-bang-44-the-expanding-universe/ One of the biggest conundrums in the Universe surrounds the […]
The Category 5 hurricane was moving at speeds of about 1 mph over the Bahamas on Sunday and Monday.
Is capitalism naturally unempathetic?
The planet has had life on it, in some form or another, for nearly as long as Earth has existed. If you came to our Solar System right after it formed, […]
The dream of an ‘Earth-like’ planet showcases our astrobiological ignorance. Over the past decade, our understanding of what planets exist around stars other than our own has exploded. The number […]