But the search for life on the red planet isn't over yet.
Under Mars-like conditions, perchlorates are toxic to the microbes. What does this mean for our future Mars colonies?
The surface of Mars is probably too toxic for bacteria to survive
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Do we need to do a weekly series on things you shouldn't put in your vagina now?
Glitter bombs are the unicorn frappuccino of sexual health products.
Let's learn how to accept our bodies instead of sparkle-ifying them.
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NASA will try to create glowing rainbow clouds, and you can watch
The colorful clouds should be visible from New York to North Carolina.
Red and blue-green artificial clouds that will help scientists study Earth’s upper atmosphere. Read on.
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10,000 years ago, North Americans were chowing down on potatoes—some things never change
We go way, way back.
Archaeologists discover evidence suggesting that North Americans have been eating potatoes for at least 10,000 years. Read on.
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Learn python programming for under $25 in this four-course bundle
Get a head start in computer science and watch the career doors open.
Learn python programming for under $25 in this four-course bundle. Get a head start in computer science and watch the career doors open.
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How jellyfish use high-powered 'syringes' to shoot venom into your skin
Someday, we could use those mechanics for drug delivery or advanced tech.
Float like a jellyfish, sting like a jellyfish. Read on.
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Growing plants in vinegar could help them survive drought
Even crops like rice and wheat might be grown in imperfect conditions.
A study by Japanese scientists shows that external application of acetate, found in vinegar, helps plants grow in drought conditions.
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#PopSciLovesNature and so do you
We asked you to show us your best nature photos, and you delivered! Here are some of our faves.
Beautiful nature photos taken by you, our dear readers. Use #PopSciLovesNature to get yours added to the list.
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Your anti-virus software is not enough
As cyber-security gets more complicated, you should be taking more steps to protect yourself.
Straightforward measures will protect your computer. Read on.
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Facebook can't solve its hate speech problem with automation
How can the company engineer civil discourse for 2 billion people?
Facebook transparency into speech reveals a thorny problem. Read on.
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All good sunglasses have these five things
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This magnetic space putty will make hours disappear
Feel the stress fade away while satisfying your curiosity.
This magnetic space putty will make hours disappear. Feel the stress fade away while satisfying your curiosity.
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Five map and compass skills every outdoorsman should master
How to master the art of finding your way home.
These tools can still lead you to the object of your heart’s desire—be that a lake teeming with brook trout or buried treasure. Read on.
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Personalized vaccines could help the immune system fight cancer
But there’s still a long way to go.
Two recent studies have made headway on developing a personalized human cancer vaccine. Read on.
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Four far-out plans for taming our weather
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Five rad and random things I found this week
The end-of-week dispatch from PopSci's commerce editor. Vol. 17.
Five rad and random things I found this week. The end-of-week dispatch from PopSci's commerce editor. Vol. 17.
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30 percent of the energy sent to Earth bounces back into outer space. Climate change could upend that.
Our swiftly dimming planet.
About 30 percent of the energy sent to Earth bounces back into outer space, stabilizing the global thermostat. Read on.
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How to keep other people off your Wi-Fi network
Give digital trespassers the boot.
Make sure you've got no unwelcome visitors loitering on your wireless network, stealing bandwidth you need for Netflix, or snooping on your browsing.
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How to find the best music, movie, and TV recommendations
Tailored just for your taste.
These days, you can access more music, movies, and TV shows than you could ever hope to watch in one lifetime. Here's how to sort the best from the time-wasters.
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Last week in tech: Hello Tesla Model 3 and Doomfist, goodbye Jawbone
See what you missed last week when you were barbecuing.
The Tesla 3 started rolling off the line, we got a new Overwatch character, and you may be able to brush your teeth in 10 seconds.
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