The laws of physics are not time-reversal invariant. Here’s how we know. No matter when, where, or what you are in the Universe, you experience time in only one direction: forwards. […]
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The Eagle Nebula, complete with the Pillars of Creation, tells a mini-version of the story of how all the Universe’s stars formed. The Eagle Nebula, found 7,000 light-years away, demonstrates how […]
Do you want Facebook or Google to control your legacy?
Humans are woefully unaware of their olfactory sense. That’s the reality we’ve been sold.
We still don’t know how the information encoded onto it gets out. No matter what you do in the Universe, its overall entropy always increases. Even when we put things in […]
It doesn’t matter where you’re from — music is an emotional powerhouse.
The most popular books of the past 125 years, and where to get them.
It doesn’t propagate at infinite speeds, and that’s a problem for Newton. When you look at the Sun, the light you’re seeing isn’t the light that’s being emitted right now. Instead, […]
It’s not just for Earth-like planets around Sun-like stars. Not even close. Shortly after Earth first formed first formed, life quickly took hold, thriving ever since. Both reflected sunlight on a […]
A fascinating mathematical structure exists that goes well beyond our common experience. Could it revolutionize physics? Perhaps the most remarkable fact about the Universe is that every particle within it — at […]
How an off-the-radar Nobel Prize brings us ever nearer to finding a major cure.
How does one supernova get so bright, so energetic, and so massive? It’s a spectacular mystery to solve. On February 22, 2016, one of humanity’s automated sky-scanning telescopes — the Pan-STARRS Survey for […]
A generation ago, NASA launched their great observatories to explore the Universe. It’s time for round 2. Throughout the history of astronomy, every advance we’ve ever made has come about because […]
When one group says “A” and another group says “B,” consider that everyone might be wrong. One of the biggest enemies of scientific truth is the setup of a false dichotomy. […]
Upvote the video, or videos, you want to win. As you vote, keep in mind that we are looking for a winner with the most engaging social venture pitch – […]
We still don’t know how it came to be this way. Every once in a while, we find an object in the Universe that completely mystifies us. For generations, astronomers have […]
Are you and your partner happy with your sex life?
One of NASA’s original great observatories, Spitzer showed us the infrared Universe as never before. On January 30, 2020, NASA’s Spitzer Space Telescope was retired after a 17 year mission. Prior […]
Black hole mergers are some of the most energetic events in the Universe. Could the gravitational waves they produce ever harm us? The Universe is not a static, stable place. Out […]
Discovered by NASA’s Chandra X-ray observatory, it’s powered by a supermassive black hole. 2019 marks 20 years of NASA’s Chandra, humanity’s most powerful X-ray observatory. Artist illustration of the Chandra X-ray […]
If galaxies are cities in the Universe, how unfortunate that our ‘cosmic country’ is dissolving. On the largest cosmic scales of all, planet Earth appears to be anything but special. […]
They said the “missing half” of the Universe’s matter was just found. But what they found barely makes a dent to the big picture. When we look up into the great […]
America’s racial wealth disparity is entrenched, with devastating effects. What if we got rid of it?
If they saw us as we were before the recent industrial revolution, would there be any reason to particularly care about us? All across the Universe, trillions of galaxies can be […]
It’s much more complex a question than dividing its mass by the volume of the event horizon. If you want to get a meaningful answer, you have to go deep. If […]
We put presidents on our money, but isn’t there more to life than politics?
The week-long global protest, which is calling for an end to the age of fossil fuels, is taking place in more than 160 countries today.
First of a 3-part series about future technologies and their role in human flourishing.
The small step that one man took would never have happened without this narrow escape. On July 20, 1969, history was made as humanity set foot on the Moon for the […]
Black holes are regions of extreme gravity, but dark matter barely interacts at all. Do they play well together? Black holes are some of the most extreme objects in the […]