Most stars obey very similar rules, making them almost entirely predictable. But then, there are the weirdos. Catch this live-blog event to learn more. When we look out at the Universe […]
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For more than 10 billion years, the star-formation rate across the Universe has been plummeting. Here’s the story. Take a look at a wide variety of galaxies in the Universe, and […]
The ices and rock aren’t green, and neither are the tails. So where does a comet’s green color come from? Every so often, with extreme regularity, comets will plunge from beyond […]
Scientists come up with an explanation for the strange dimming of Tabby’s star and it doesn’t involve aliens.
An Oxford physicist tries to cast doubt on dark energy, but the data says otherwise. It was a mere 20 years ago that our picture of the Universe got a […]
And if their conclusions will be different from ours, how can we be certain we’ve got it right? One of the greatest dangers in all of science is jumping to false […]
Today, our visible Universe contains 2 trillion galaxies, each with billions of stars. But when did the very first one appear? When we look out at our Universe today, there are […]
Representation matters. Meet five stellar women in physics who were unjustly denied their place in history. Nobel season is now over, with another year in the books of celebrating the scientists […]
For the first time, an object from outside our solar system is observed traveling through our neighborhood.
Why not just put your detectors in place of a giant mirror? “Look and think before opening the shutter. The heart and mind are the true lens of the camera.” –Yousuf […]
From millions of miles to millions of light years, there’s nothing else that leaves trails like this. When you point your telescope at the distant Universe, observing a faint, massive object […]
If you haven’t finished your holiday shopping yet, consider these 10 gifts, good any time of year! One of the hardest things when it comes to holiday shopping is to find […]
Digging deeper into last week’s revelations about the Red Planet.
The solar neighborhood is so different than people imagine. But for the first time, we know what it’s like. When you look up at the stars in the night sky, they […]
In the aftermath of everything we’ve learned about what’s in the Universe, we can make much better estimates of how many alien civilizations are out there. In 1961, scientist Frank Drake […]
They may have arisen less than 200 million years after the Big Bang, but the Universe was a very different place back then. When you look out beyond the Milky Way […]
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 […]
Two major galaxies in the local group are already in the process of being devoured by us… and each other. The Milky Way is the second-largest galaxy in our local group, […]
It took the Universe 9.2 billion years to create the Earth, and another 4 billion for complex life. Could we have gotten there faster? The story of how the Universe came […]
The ELT, at 39 meters in diameter, will dwarf everything that’s ever come before. “There are so many people who are arguing or fighting over issues which don’t have much relevance. […]
The West has been doing well scientifically for a few hundred years now, but it took almost a thousand years for it to catch up to the Middle East. Here are ten of the biggest discoveries the Islamic world got first.
It’s time to bust one of the biggest myths about where the night sky’s most spectacular, seasonal shows come from. Meteor showers are one of the night sky’s most spectacular sights […]
A new podcast tells the incredible tale of the next great leap into the Universe “And so far as I’m concerned, I’m not going to run a program that’s just a […]
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 […]
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 very clever idea says there’s a ninth Solar System planet, larger than Earth, far beyond Neptune. Here’s why most scientists think it’s not real. It’s been nearly three years since […]
If you think we’ve seen all there is to see in the Universe, you’re about to have your imagination unlocked. “Hubble often takes images of distant gravitationally lensed galaxies to […]
They’re less than a billion years old. And, thanks to ALMA, they might finally pave the way to understanding how galaxies form. How do galaxies like our Milky Way come to […]
With hundreds of billions of stars burning bright, ‘dead’ seems like a bit of an exaggeration. But every galaxy is headed for this fate, including ours. As long as a […]
For just a year’s worth of US Military budget, we could transform the world. The United States spends more on military spending than the next ten nations combined: an estimated $600 […]