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Previously, only the brightest and most active galaxies could pierce the obscuring wall of cosmic dust. At last, normal galaxies break through.
Archaeologists discover a cave painting of a wild pig that is now the world’s oldest dated work of representational art.
A few years ago, the first dark matter-free galaxies were announced, and then immediately disputed. Now, there are too many to ignore.
The author of classics like “A Farewell to Arms” and “The Sun Also Rises” is known and loved for his simple yet effective writing style. Here’s how to imitate it.
One image can give over 100 times the data we now get from Hubble. NASA’s Hubble Space Telescope, launched in 1990, revealed the previously unseen Universe. The most distant galaxy ever […]
The majority of the matter in our Universe isn’t made of any of the particles in the Standard Model. Could the axion save the day?
Whatever’s lurking out there, it isn’t all, or even mostly, normal matter. When it comes to the Universe, it’s only natural to wonder what, exactly, it is that makes everything up. […]
If you think it’s just three quarks held together by gluons, you’ll want to read this. At a fundamental level, the Universe is composed of indivisible particles. From macroscopic scales down […]
Learning styles are supposed to help learners take ownership of their education, but research doesn’t back up this well-intentioned myth.
And the one step we can take to show extraterrestrials we’re figuring it out. Every year, Earth’s meteor showers accomplish two important tasks. This composite photograph shows a large number of […]
Remedies must honor the complex social dynamics of adolescence.
Have any of the stars we can see burned themselves out completely? When we look out across the Universe, we’re also peering back in time. In the early 21st-century, we’ve […]
When you mix science with speculation, you get speculation. But the underlying science is still real. Whenever you hear the phrase, “it’s just a theory,” it should trigger alarm bells in […]
With launch, deployment, calibration, and science operations about to commence, here are 10 facts that are absolutely true.
With 1550 distinct type Ia supernovae measured across ~10 billion years of cosmic time, the Pantheon+ data set reveals our Universe.
Are the stellar remnants in our cosmic backyard actually our parents and grandparents?
Yet, if they only obey the rules that we know, there’s no way to explain why. One of the greatest puzzles in all of physics is that the laws of nature — as […]
It peaks the nights of August 11–13, but it’s no longer the year’s most reliable meteor shower. Every year, beginning in mid-July, planet Earth commences passing through an enormous debris […]
Despite Betelgeuse’s recent faintening and brightening, I’d bet on these stars instead. Betelgeuse, a nearby red supergiant, will someday explode. The black hole at the center of the Milky Way should […]
The Baltic nation rolls out an unlikely tourist attraction: 47 weird ice cream flavors.
We need more and better data to know, but that’s exactly what’s coming. Over the past few decades, a number of important advances have helped revolutionize our picture of the Universe. […]
Despite all that we’ve learned about the Universe, there remain unanswered, and possibly unanswerable, questions. Could “God” be the answer?
In 2011, a bizarre, green object was discovered. At long last, we finally understand why. One of astronomy’s biggest surprises came in 2007, when a mysterious green object was found. […]
Known as the ‘North Star,’ Polaris won’t stay that way forever. Planet Earth spins a full 360°, about its axis, every 24 hours. The Earth in orbit around the Sun, with […]
You’re always in control of your breath.
Awe makes us feel smaller but also more connected to life and each other.
Every December, the Geminid meteor shower reaches its peak. Its 2021 show will be spectacular, but only if you do it right.
The most unpleasant aspect of intellectual liberalism is that when speech causes emotional or mental pain, the offended parties are morally entitled to nothing.
Out of all the galaxies we know, only a few little ones are missing dark matter. At last, we finally understand why.