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Astronomy
Happy birthday to Pluto, discovered on this day in 1930. Pluto, first discovered in 1930, was no more than a distant dot in our most powerful telescopes. Clyde Tombaugh’s original images […]
It’s a rare occasion for orbits to align so perfectly. Enjoy the sights this Tuesday. On Tuesday, February 19th, the Moon will reach perigee, its closest point of approach to planet […]
It’s been over 100 years since Einstein, and over 300 since Newton. We’ve still got a long way to go. From measuring how objects fall on Earth to observing the motion […]
From billions of miles away, a faint, single pixel shows us how precious and alone Earth truly is. There are people alive today who can remember a time where no human-made […]
The first planet beyond ‘naked eye’ astronomy will pass within just 1° of Mars. Although there are eight major planets in the Solar System, most of us never see Uranus or […]
We know that life is possible on an Earth-like world around a Sun-like star. But can it find a way on a Super-Earth? When it comes to the origin of […]
If we were in a place like the Coma Cluster instead of the Local Group, we’d already be dead. In a living spiral galaxy, like the Milky Way, the rich gas […]
A new study claims that dark energy is changing with time. Here’s what it would mean, if true. For the past generation, we’ve recognized that our Universe is a particularly dark […]
Only 8 worlds make the astronomical cut as planets. Here are the 10 fascinating bodies that didn’t make it. Astronomically, bodies within the Solar System must achieve three criteria in order […]
Although the great Martian dust storm of 2018 may have ended its life, its accomplishments will live on forever. Note: This article was originally published on January 25, 2019 on Forbes. […]
All the other planets have craters, icecaps, clouds, or a rich, banded structure. But not Uranus. The eight major planets of the Solar System all possess their own unique features. The […]
We’d never flown past or imaged a small, isolated Kuiper belt object before. Here’s what we know so far. As 2018 ended and 2019 began, NASA’s New Horizons flew past its […]
Whether you caught or missed the eclipse of January 20/21, 2019, here’s what you need to know for all the ones you’ll ever view again. On January 20/21, 2019, a very […]
Our Universe is full of surprises. This latest one, AT2018cow, has ignited a controversy between astronomers. The Universe is an ever-changing place, particularly if you look at it on long-enough […]
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 […]
With an assist from Einstein’s gravity and the power of the Hubble Space Telescope, it’s the brightest quasar we’ve ever discovered. In astronomy, there are two types of questions to […]
Kepler showed us that the Universe is full of planets around other stars. TESS is giving us our next great leap. It’s been nearly a decade since NASA’s Kepler mission first […]
This is what we’ve learned from first object ever discovered to enter our Solar System from interstellar space. Billions of years ago, our Solar System was an extraordinarily different place […]
On January 20/21, half of Earth will experience a total lunar eclipse. For the first time in 19 years, this includes all of North and South America. When the Sun, Earth, […]
The 40th edition of the Starts With A Bang Podcast features Astronomer John O’Meara, the first pristine matter ever seen, and a 15-meter space telescope proposal! One of the great […]
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 […]
The reason why is simple, and should apply to every solar system like our own. On January 3rd, 2019, Earth reached the point in its orbit where it’s at its closest […]
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 […]
While nothing is ever certain about the future, here are 10 great achievements you can bet on. Every year, unexpected scientific discoveries challenge what we know. Observations using the Atacama Large […]
Sometimes, the biggest answers to the deepest questions come in the most unexpected of places. In the Solar System, anything out past Neptune is generally considered to be the outer reaches […]
Despite being 28 years old and having a gyroscope failure, Hubble still delivered these 10 amazing snapshots in 2018. Year after year since its 1990 launch, Hubble keeps revolutionizing our view […]
Despite what you may have heard, they don’t suck anything in at all. Black holes are some of the strangest, most wondrous objects in all the Universe. With huge amounts of […]
For generations, planet formation was only a theory. As 2018 comes to an end, here’s the evidence of what’s going on. The theory of planet formation has been around for a […]
When you emit gravitational waves, they have to pass through the Universe. But do they gravitate, too? When you travel through the Universe, it isn’t just a free ride through […]
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 […]