Why the Odds of an Asteroid Striking Earth in 2032 Keep Going Up (and Down)
NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.
What People Are Getting Wrong This Week: Pluto Is Still a Planet (Sort Of)
According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...
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The Mystery of Arrokoth: What NASA Didn’t See Coming
NASA’s New Horizons mission changed our understanding of the outer solar system. After its famous Pluto flyby, it traveled ...
If Planets Had Social Media: Mercury’s Tweets, Saturn’s LinkedIn, and Pluto’s Petition
If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...
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The Dumbest Star Wars Trope Is Also Somehow The Most Scientifically Accurate
Missing planets? That literally happens all the time IRL. Here's why the Star Wars trope of incomplete star maps and missing ...
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'This idea that it takes like 250 years for Pluto to orbit the sun, I think that's just bizarre.' Star Trek scion Adam Nimoy talks our favorite (dwarf) planet for 'I Heart ...
Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...
What If Planets Had Jobs – Who’s the CEO and Who’s the Intern?
If the solar system had a corporate structure, Jupiter would be the CEO, while Saturn ensures rules are followed. Venus ...
For children: The universe tells the story of Earth, its most special planet
Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...
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Planetary Alignments And Planet Parades
Read A sky chart showing Mars, Jupiter, Saturn, and Venus in a "planet parade." Credits: NASA/JPL-Caltech On most ...
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Why do the solar system’s planets have different compositions?
While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.
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How Many Planets Are in the Solar System?
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
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Massive gas giant planets locked in a gravitational struggle
A team of astronomers have discovered a rather curious exoplanetary system that has two gas giant planets that are messing up each other’s orbit! On of them is 3.8 times the mass of Jupiter and ...