Download the Speakly app at https://speakly.app.link/Speakly and get a 60% discount if you join the annual subscription. Something is very wrong with our Sun. It’s turned into a spinning lighthouse of death. What would make the Sun so much more deadly than usual? Would there be any way life on […]
Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet need to orbit within the Sun’s habitable zone? How […]
Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your spaceship, you should […]
Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists have discovered a few worlds that could be even better for life. Behold, KOI 5715.01. Most of the contenders on our superhabitable planet list aren’t the ones […]
Thousands of light-years from Earth, there could be another planet hospitable to life. Kepler 69c. And you’re about to travel to this alien world to see that life with your own eyes. What would it be like to make this epic journey so far across the Universe? What kind of […]
Pack your bags because you’re traveling through space to see Alpha Centauri. There’s just one problem. It’s going to take 100 years. But is it possible to sleep through the trip? Get comfy because you’re going nighty-night for an entire century. What technology would you need? What would happen to […]
How much can landing in snow protect you from a fall? We’ve seen it save people who jumped off a roof. Or dived off a cliff. And yes, they even fell from the top of a mountain! But what about a fall from even higher up? Like, from an airplane? […]
There are hundreds of billions of alien worlds in the Milky Way galaxy. And scientists have already discovered and confirmed over 5,000 of them. Small rocky worlds like Kepler-37 b are a pretty rare find. Because they’re so tiny, they’re more difficult to spot. But scientists have still managed to […]
One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It’s called K2-18b, and it’s the world you’d want to visit. K2-18b isn’t exactly like Earth. It’s more like a Super-Earth. Yeah, it’s 2.6 times larger and almost nine times more massive than our planet. […]
The odds of life on Earth are like a deck of cards. It was shuffled infinitely many times, just enough to ensure that it was sorted from Ace to King at the end. Perhaps the dealer wanted it this way. Pretty thought-provoking, isn’t it? If you’d like to see more […]
