Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
NASA's Mars rover Opportunity's last words were: "My battery is low and it's getting dark."
By studying these geological formations here on Earth, we may be able to learn how to live on other planets.
It's tricky to see the true shape of the Milky Way when you're stuck inside it. So how did scientists figure it out?
The Apollo 14 mission landed on the moon in January 1971, but what the astronauts brought back could be making history now.
On a galactic scale, that's kind of like finding a tree in your backyard that you'd never seen before.
No worries though. Jupiter, Neptune or Uranus could create their own beautiful, bright ring display in the distant future.
From rocket launches and eclipses to meteor showers and lunar landings, these are the space events you won't want to miss in 2019.
Things just got more interesting on this enigmatic exoplanet.
Like Earth, the sun does rotate, but in a different way.
Those stars twinkling in the nighttime sky may actually be crystal spheres. And our beloved star is headed in that direction, too. Eventually.
In this stellar nursery, firstborn stars are ruthless.
The China National Space Administration makes history — and shows the world the dark side of the moon.
Scientists are still trying to come up with a conclusive explanation for the Martian blueberries.
The image, which was created by the European Space Agency, shows the blazing hot orb's northern-most region for the very first time. Pretty cool stuff.
That means it takes nearly 17 hours for a radio signal, traveling at the speed of light from Earth, to reach Voyager 2.
We've identified 11 different times gravitational waves have passed through Earth. Yep, we're getting good at detecting these ripples in spacetime that Einstein predicted.
It is a mind-blowing amount.
After cruising 300 million miles and spending seven months in space, the InSight spacecraft successfully touched down on Mars' surface. How awesome is that?
And this hot DOG's ferocious appetite shows no signs of slowing down.
Dark matter is the most mysterious (and possibly important) material in the universe, and scientists are excited that a storm of the stuff is upon us.
But you can forget about Barnard's Star b bearing any resemblance to our planet.
If you think about it, it'll likely be an alien machine that encounters our probes searching for intelligent life. How's that going to work?
A stunning accusation has been made: About 10 billion years ago, a small galaxy strayed too close to ours, so our galaxy ate it.
The idea behind the "fake" moon is to provide extra illumination to Chengdu, a city in China's Sichuan province. What could possibly go wrong?
Can a moon have a moon of its own?