In 1789, William Herschel discovered this unique moon around Saturn. 230 years later, its secrets are more promising than ever. Today marks the 230th anniversary of the discovery of Enceladus, one […]
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Since the late 1800s, what we know has advanced light years ahead.
The successor to Hubble is almost ready for launch. It’s really coming this year, too! NASA’s James Webb Space Telescope, originally proposed in the 1990s, is finally slated to launch later […]
Avi Loeb says it’s aliens. Every other astronomer disagrees. Here’s why. In 2017, an astronomical event occurred that was unlike any other: for the first time, we observed an object that […]
Doctors put a human into suspended animation for the first time ever.
What we’ve seen isn’t necessarily what we get, but the most common world doesn’t look like ours. There’s a very common myth out there in astronomy: the idea that the Sun […]
When it comes time for humanity to pick a new home, where will we go?
You might be inclined to modify gravity instead, but those ideas have grossly unequal evidence supporting them. What is it, exactly, that you’re supposed to do when the predictions of […]
The current focus on the Chinese and Jews is nothing new.
There’s more light than we can account for, and we’ve just measured it robustly for the first time. When we look out at the darkest night skies available on Earth, even […]
If there’s no phosphine, there’s no indirect evidence for biological activity there. In one of the biggest surprises in the history of planetary science, a September 2020 study announced the presence […]
There are three possible ways we’ll find alien life. With all of these chances, the only question is which will come first. Given everything humanity has learned about the Universe, it […]
It’s rare but spectacular when the Moon passes in front of another planet. Here’s how to see it. From our perspective on Earth, the night sky appears virtually unchanged with the […]
Sure, we’re warming now. But will this continue, or will natural factors change things? According to our best understanding of Earth’s climate, the global average temperature has increased significantly over the […]
And one of our planets has the orbiting moons to prove it. Despite the dangers posed to planet Earth by a comet or asteroid strike, our Solar System is actually an […]
It likely isn’t the rare occurrence we once thought it was. In our Solar System, there’s one overwhelming source of mass that all the planets orbit around: our Sun. Each planet […]
Don’t miss the summer’s greatest natural sights of all. Some of the natural highlights of our night sky are easy to overlook. Every year, you’ll hear about some of the brightest, […]
Some have suggested that there is no hidden giant out there.
There are three factors all competing to determine the fate of the Earth, and the one that’s winning now won’t win in the end. If you could measure the average distance […]
What if all planets were the same distance from Earth as the Moon?
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 […]
50 years ago, Apollo 9 launched. Without it, we never would’ve landed on the Moon. The Apollo program is most famous for its greatest achievement: taking humanity to the Moon. It […]
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 […]
We’ve never found eight stars bound together in the same stable system. But nature might make it so. The Universe that we have is often more wondrous and bizarre than even […]
A new computer model solves a pair of Jovian riddles.
The dream of space travel has been usurped by superficiality.
From Newton to today’s scientists, we’re only seeing part of the story unfold.
Three scientists publish a paper proving that Mercury, not Venus, is the closest planet to Earth.
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Towards the end of his life, Francisco Goya began painting terrifying scenes directly onto the walls of his house.