For the first time, its experimental X 59 aircraft has successfully broken the sound barrier. But unlike every supersonic jet that came before it, this aircraft is...
Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...
The numbers are hard to ignore. According to United Nations assessments, the world has roughly a decade to make dramatic cuts in greenhouse gas emissions if it hopes to...
In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the planets and our Sun don’t make noise. What would...
Forty light years from Earth, there is a world that looks a lot like Venus. But unlike the most sweltering, hellish planet in the Solar System, this not so distant...
In 2015, NASA’s super powerful Kepler Space Telescope discovered the closest copy of Earth to date. It’s called Kepler-452. Often nicknamed “Earth 2...
Welcome to the arena. Tonight’s battle is all about location, location, location. Both of our fighters are extremely territorial. They’re not interested in sharing and...
410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...
What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across interstellar space? Would we hop from one exoplanet...
Jupiter may be the biggest planet in the Solar System, but its days are numbered. Because today, we’re using Earth’s biggest, baddest bombs to blow the gas giant...
During the Apollo missions in the 1960s, astronauts collected lunar rocks to bring back to Earth, but to lighten their cargo, they left 96 bags of urine and feces on the...
Forty light years away from Earth, orbiting a small red dwarf star in the constellation Pisces, lies one of the most intriguing exoplanets discovered in recent years...
It’s invisible, deadly and sucking up every bit of matter in its path. The most massive black hole in the known Universe is headed right toward Earth. What would you see...
The digital age is well and truly upon us. And in recent years, there’s no development more talked about than Bitcoin. Forget about dollars, pounds, and euros...
There are over one million volcanoes on our ocean floor. And all of them suddenly started spewing out red-hot molten rock. The ocean is filling with lava. And nothing...
In 1850, 94% of the world’s population lived in extreme poverty. Today, we’ve managed to bring that number down to roughly 10%. And if this trend continues...
Would you like to have breakfast with a bear? How about a playdate with a snake? Or play pool with a chimp? This might shock you. But wild animals should be in the wild...
Two billion years ago, Earth was a strange and hostile place. It was an era marked by dramatic climate shifts, dangerous changes in the atmosphere, and the birth of...
Everything you’ve ever stood on, every rock, every continent, every grain of sand, may have been manufactured in a single cosmic trap hiding behind the biggest...
Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...

