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Space
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.
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Barnard's Star B May Host Primitive Life, Kind of Like Europa
Things just got more interesting on this enigmatic exoplanet.
Does the Sun Rotate?
Like Earth, the sun does rotate, but in a different way.
After the Sun Dies, It'll Become a Stellar Crystal
Those stars twinkling in the nighttime sky may actually be crystal spheres. And our beloved star is headed in that direction, too. Eventually.
Orion Nebula Is Scene of Epic Star Battle
In this stellar nursery, firstborn stars are ruthless.
Chinese Spacecraft Lands on the Far Side of the Moon
The China National Space Administration makes history — and shows the world the dark side of the moon.
What Are the 'Blueberries' on Mars?
Scientists are still trying to come up with a conclusive explanation for the Martian blueberries.
This Is a First: An Image of the Sun's North Pole
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.
Voyager 2 Goes Interstellar, Just Like Voyager 1
That means it takes nearly 17 hours for a radio signal, traveling at the speed of light from Earth, to reach Voyager 2.
Gravitational Waves Are Lifting the Veil of Cosmic Darkness
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.
How Much Starlight Has Been Emitted Since the Beginning of Time?
It is a mind-blowing amount.
NASA's InSight Will Probe Mars' Quakes, Temperature and Wobble to Understand Its Origins
After cruising 300 million miles and spending seven months in space, the InSight spacecraft successfully touched down on Mars' surface. How awesome is that?
Hungry 'Hot DOG' Eats Nearby Galaxies, Fattens Its Black Hole
And this hot DOG's ferocious appetite shows no signs of slowing down.
Heads Up: Massive Dark Matter Hurricane Passing Earth
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.
Discovered! Icy Super-Earth at Barnard's Star, Our Sun's Neighbor
But you can forget about Barnard's Star b bearing any resemblance to our planet.
Communicating With Aliens Is Hard. Communicating With Alien AI Could Be Harder
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?
The Milky Way Is a Cannibal
A stunning accusation has been made: About 10 billion years ago, a small galaxy strayed too close to ours, so our galaxy ate it.
Is China Launching Fake Moon a Bright Idea?
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?
What Are Moonmoons?
Can a moon have a moon of its own?
Space Community Vows to Bounce Back After Soyuz Mishap
With the Russian Soyuz spacecraft officially out of commission, what does that mean for space exploration? And more importantly, the crew on the International Space Station?
Pluto: Is It a Planet After All?
Back in 2006, the International Astronomical Union decided to demote Pluto to the status of a dwarf planet. A new historical study challenges that designation.
How NASA Works
When most people think of NASA, they probably think of astronauts and the Kennedy Space Center. But there's a whole lot more to this 60-year-old organization.
Two Moon Craters Named for Apollo 8 Astronauts
Anders' Earthrise and 8 Homeward are the two moon craters recently named in honor of the 1968 Apollo 8 mission, the first NASA mission to orbit the moon.
'The Goblin' May Reveal the Phantom of Planet X Lurking in Deep Space
It's a small world with an astonishingly long orbit around our sun. And it could lead us to the fabled Planet X.
Where's That Funky-shaped Comet 'Oumuamua From?
It dashed through our solar system like a cigar-shaped signal from another star system. But which one? Astronomers are on the case.
What Are Days and Nights Like on the Moon?
Do they even look different?
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