SciShow
Five Of The Biggest, Baddest Supernova Varieties
Supernovae are only rare to the passive stargazer, but if you’re an astronomer studying them, you get to see some of the most brilliant explosions in the universe. Here are five of the most significant supernovae known to science.
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Atlas: The Little Rocket That Still Can
In 1962, John Glenn went into orbit on an Atlas rocket, and thus began a family of rockets that lasted for 60 years!
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The Future of the Search for Life
Astronomers have found more than 5,000 planets in the last three decades, but that’s not nearly as exciting as potentially coming across the first extraterrestrial creatures. And we may finally be in a position to make that discovery.
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How Distant Stars Let Us See the Solar System Up Close
Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.
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Where Did Mercury’s Spots Come From?
The Sun isn’t the only celestial body in the solar system to boast spots of its own. Mercury, too, has its fair share, and they’re worth wondering about.
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How Do You Date a Star?
Figuring out the age of a blinking speck in the sky is a difficult feat, especially if considering how many types of stars there are. This is where a Hertzsprung-Russell meets a gyrochronologist.
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The Spacecraft That Wasn't Designed To Land, But Did
Many space missions take billions of dollars and decades of work to get develop, but 25 years ago this spacecraft delivered stunning results on a shoestring budget and a minimal development timeline.
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How Do You Find the Moon’s Best Picnic Spot?
Living on the moon won't be easy, but it might be worth taking a note from our ancestors, and setting up in caves
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Space Superlatives of 2022
As we wrap up 2022, we'd like to celebrate a few of the cosmic “winners” discovered this year, at least while they still hold their titles.
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What's Going to Space in 2023?
2022 was a pretty exciting year for space science, but what news might we expect in the coming year?
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Eavesdropping On Other Worlds
We usually only get to use our sense of sight in exploring the universe, but that hasn’t prevented scientists from trying to listen in.
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Is Our Solar System Missing Moons?
You might be pretty confident that when a moon is there it’s there to stay, but that’s not always the case. Moons may have a history of disappearing.
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JWST: Looking Beyond The Pretty Pictures
The James Webb Space Telescope isn't just for finding Pinterest worthy pictures, we're finding some amazing details in the sometimes blurry background photos.
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Fighting Carbon With Carbon
To reduce the amount of carbon dioxide in the atmosphere, some researchers are taking carbon capture technology to the source(s) — for example, slurping up CO2 before it ever leaves the power plant that made it. But that's not all! Some...
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This is How We’ll “See” the Universe’s First Second
In June 2023, scientists around the world announced the first official detection of the gravitational wave background — a cacophonous symphony of gravitational waves coming from every direction in space. Buried within that cosmic noise,...
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Female Cockroaches Hate Romance (And It’s Our Fault)
Most people don't love cockroaches. And thanks to that lack of love, the females of one species of cockroach might not love their males looking for love. But lucky for both of them, evolution might be finding a way around it.
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The Sexually Transmitted ... Sandwich?
When you're enjoying an intimate moment with that special someone, the peanut butter and jelly sandwich you ate for lunch is probably the last thing on your mind. But sexually transmitted allergens are a thing, and nut allergies aren't...
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The Only Moons That Trade Places
Saturn's moons Janus and Epimetheus were once thought to be the same moon. It turns out they're dance partners.
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Does Tylenol Actually Do Anything?
The pain reliever known as acetaminophen or paracetamol, marketed under brand names like Tylenol, Calpol or Panadol, has an excellent reputation. But the quality of evidence that it actually works is shockingly poor. So, do doctors and...
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The Particle So Extreme Scientists Called it OMG
In 1991, a subatomic particle smashed into Earth's atmosphere traveling faster than anything humans can replicate. It's the most energetic particle detected to date, and maybe even the fastest (except light itself). Astronomers call it...
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Why Hairworms Don’t Have Hair
Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...
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The Hostile World Where Animal Life Began
For decades, researchers thought they had a solid idea about the earliest booms in animal life. But new research might have turned off the gas on all these ideas, flipping our understanding of the Avalon explosion and the Cambrian...
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The Woman Who Saved the World
On her way to winning the 2023 Nobel Prize for her pioneering work on mRNA vaccines, Katalin Karikó lived a life made for the big screen.
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You Went Through Puberty as a Baby
We all remember the woes and trials of our adolescence. But what you may not have realized is that your middle-school bout with surging hormone's wasn't the first time you went through a sort of puberty. From surging hormones to hair...