The largest moon around our last planet didn’t originate with Neptune. When it comes to the moons of our Solar System, there’s only one planet that doesn’t fit in with our […]
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The Sun will eventually become a red giant star, swallowing Mercury and Venus in the process. But what will happen to Earth? There are a few existential questions we can ask […]
An amateur astronomer discovers an interstellar comet on its way to our Sun.
There are exposed planetary cores orbiting stars, and we may have already found them. When we take a look at the planets in our Solar System, there’s a pretty clear difference […]
Unlike most articles that are titled with a question, the answer isn’t automatically “no.” Announced on January 6, 2020, NASA’s TESS mission has just discovered its first Earth-sized, habitable zone […]
We found 10 video games that kids will love (and they’ll secretly be learning, too).
There’s real, straightforward science behind the destruction of an Alderaan-sized planet. In all of science fiction, perhaps the most iconic moment of destruction occurs in 1977’s Star Wars: A New […]
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 […]
Three scientists publish a paper proving that Mercury, not Venus, is the closest planet to Earth.
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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. […]
The robotics company is allowing select companies to lease the semi-autonomous robot.
If dark matter is fundamentally different from the normal matter we know, there should be a way to test it. Here are the results. Dark matter — despite the enormous indirect evidence for […]
The Soviet Union’s space program was years ahead of the USA’s. So how did they lose the space race? Here in the United States and all across the world, humanity is […]
A recent test shows SpaceX’s Raptor engine is powerful enough to lift Starship and Super Heavy into space.
One silver lining of the pandemic: The value of common sense, facts and rational decisions increases.
Not only can’t astronomers and planetary scientists agree, but the IAU made it worse for everyone. If you were alive in 2006, you likely remember a momentous event in astronomy: […]
The process of digging into hard questions makes the moment of discovery all the more satisfying.
NASA JPL takes a first step toward a GPS for space.
Extraterrestrial life should arise fairly easily. But intelligence is another matter entirely. Planet Earth has been around for the past 4.5 billion years or so: about the last third of […]
We know a lot about what else is out there, but we still don’t know everything. In the quest for life in the Universe, it makes sense to look at […]
What if all planets were the same distance from Earth as the Moon?
About 3.8 billion years ago, the inner planets were bombarded with a cataclysm of asteroids. Could Planet V have been the cause?
Our planet is rare, precious, and fragile. It’s up to all of us to be its steward. With the advent of rocketry and spaceflight, our cosmic perspective changed forever. The very […]
We catalogue seven more board games to teach children science, problem-solving, and even foster their creativity.
Forget about alien nonsense. The Universe as it actually is doesn’t need any embellishments to be interesting. In our Solar System, the planets, moons, asteroids, comets and other masses are […]
According to recent papers by Zucman, and his colleague Emmanuel Saez, one should be implemented.
The end of the world is the main focus of his new book.
From anti-gravity pens to cool model kits, these space-themed gifts will make any star gazer very happy.
On Friday, NASA’s InSight Mars lander captured and transmitted historic audio from the red planet.