Diamonds can be formed in one of four fascinating ways.
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From the birth and deaths of stars to the largest structures in the Universe, Hubble shows us what we’d never see otherwise. When it comes to the Universe itself, perhaps […]
As we’ve come to expect, conspiracy theorists and fringe Christian evangelicals are heralding the July 27 blood moon as a sign of the imminent apocalypse. But what is the blood moon prophecy, and why does it appeal to a certain type of believer?
For Women’s History Month we have a list of seven all women teams who changed history. Some were scientists, some soldiers, some living, and some long gone. All of them shaped the world.
If you photograph the Sun at the same time every day, you get a bizarre figure-8 shape: an analemma. Here’s why. At any time of day, you could theoretically set up […]
Neil deGrasse Tyson explains why Trump’s Space Force is “not a crazy idea”.
In the search for the youngest planet in the Universe, astronomers may have accidentally stumbled upon something entirely new. Growing up is hard to do in the Universe. In the great […]
And super-Earth, mini-Neptunes, and super-Jupiters aren’t among them. You’ll be surprised to learn why. Just 30 years ago, if you had asked an astronomer if there were planets around other stars […]
In 2015, the ultra-distant galaxy CR7 was measured to have hydrogen and helium, but no carbon or oxygen. With new ALMA observations, there’s carbon after all. As brilliant as our Universe’s […]
The expanding Universe really is accelerating, and no dusty scenario can explain it. 20 years ago, our understanding of the Universe underwent a revolution. For generations, we had known the Universe […]
The ‘big discovery’ is nothing of the kind. We need a new planet-finding mission to probe the next frontier. Last week, NASA dropped a bombshell that it’s Kepler mission — the greatest […]
A rare, ultra-diffuse galaxy is full of stars and not much else. Here’s how to make sense of it. One of the greatest puzzles in the entire Universe is the dark […]
Even if it can’t detect them directly, we’ll learn the answer. Here’s how. Perhaps the most revolutionary find of the past generation, when we think about the Universe beyond Earth, is […]
The best books, calendar, accessories and more are all just one click away. Every year, there are no shortage of wonderful, exciting, informative gifts you could get for those who matter […]
The same technology that Norway uses to keep its fjords ice-free could literally take the power out of hurricanes as they form. Among all the natural disasters that occur on planet […]
Even with nothing new falling into it, our radius is increasing with every second that goes by. It’s no big secret that galaxies grow over time. The force of gravity is […]
If the Breakthrough Starshot initiative, promoted by Stephen Hawking, works exactly as planned, it could lead to disaster. Imagine yourself on a world not so different from Earth, orbiting a […]
For billions of years, dark energy couldn’t have been detected. Now, it’s everywhere we look. When we look out at the ultra-distant Universe, billion of light-years away, we’re seeing it as […]
Here on Earth, all the right conditions occurred for intelligent life to come about, but the nearest aliens, if they’re on another world, are light years away. But it doesn’t […]
El Castillo, a pyramid in Mexico, was built in such a way that the “snake of sunlight” would slither down its steps at the dawning of each equinox, as the sun rose into the sky.
If you want to go where no one has gone before, you have to make the investment. Here’s what last week’s launch means. If you want to send humans to Mars, […]
The paradox is one that Hawking himself claimed to have a solution to many times, but none of the proposals have held up to scrutiny. The paradox is still unresolved. […]
When it comes to the Solar System, all we have left are the survivors. At last, that might be enough to know what happened 4.5 billion years ago. We know what […]
If it were, we wouldn’t be here. But there’s a scientific answer that’s been spectacularly confirmed. When we examine our Universe, looking out at the planets, stars, galaxies, and vast […]
The hallmark of a good scientist is changing your mind when new evidence arises. Here’s what that looks like. Science, like many things in life, is always a work-in-progress. While a […]
After generations of speculations, we’ve finally got the images that tell us the full story. Some 4.5 billion years ago, our Sun and Solar System were born from a collapsing cloud […]
The Universe was born matter-antimatter symmetric. Here’s what happened when the last of our antimatter disappeared. Things happen fast in the earliest stages of the Universe. In the first 25 […]
We can explore the farthest reaches of the Universe, but can’t even complete our own cosmic backyard. The history of astronomy has been a history of receding horizons. The invention […]
Carl Sagan liked to smoke weed. His essay on why is fascinating.
Tickets are on sale to view the launch of SpaceX’s largest rocket, the Falcon Heavy, which carries with it humanity’s ambition to land astronauts on the surface of Mars.