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3D printer heading to space could enable lunar exploration

Astronauts aboard the International Space Station will soon have a new high-tech tool at their disposal. CNET's Sumi Das visits Made In Space, the startup that's developed a 3D printer which works in microgravity, allowing crews to print tools, parts and more on demand.

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Are we all here because of a black hole?

While we typically think of black holes as death pits from which nothing can escape, recent studies suggest black holes play a pivotal role in creating stars. Could one have created our sun?

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NASA finds tiniest galaxy has 'supermassive' black hole

The agency's Hubble Space Telescope spots one of the smallest galaxies ever discovered -- with a giant black hole at its core.

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Jeff Bezos' Blue Origin to make rocket engine for Boeing, Lockheed Martin

Amazon CEO's aerospace company enters into a partnership with the United Launch Alliance to develop BE-4, a rocket engine to replace Russian-made launch jets.

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Own a piece of space history.

Buy a spare Mars Viking lander project rocket engine

Get a head start on building your very own 1970s-style Mars orbiter by snapping up an engine built for NASA's Viking project.

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Boeing is said to be the likely winner of NASA's space taxi contract. That would mean its CST-100 capsule could be ferrying people to the International Space Station by 2017.

Boeing said to win NASA space taxi contract

According to the Wall Street Journal, the aerospace giant is likely to beat out SpaceX for the contract, said to be worth more than $3 billion.

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Curiosity took this selfie to celebrate its first year on Mars.

Curiosity rover to take up mountain climbing on Mars

After two years of exploration and driving, NASA's Curiosity rover has finally reached the base of Mount Sharp, a major goal of the mission.

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Rosetta poses with its comet in the background.

Rosetta spacecraft snaps gorgeous selfie with its comet buddy

Rosetta took a moment out from eyeing the comet it's following and snapped a selfie that's literally out of this world.

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What Earth looks like from space in 4K

European astronaut Alexander Gerst is aboard the International Space Station equipped with a camera capable of recording in 4K. This beautiful video captures Earth's majesty in Ultra HD.

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Drive a rover and support sci-fi game Extrasolar expansion on Kickstarter

The glamour of science without the work! It's your chance to control a Mars rover, but on an alien world and for a possibly shady scientific organization. Season 1 is completed (and free).

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This crater appeared over the weekend after a big boom.

Earth-buzzing asteroid may have dropped meteorite on Nicaragua

Daredevil asteroid 2014 RC slid by close to Earth Sunday, but it may have left a parting gift in the form of a meteorite crater in Nicaragua.

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Andrew Johnstone gave this ring -- complete with an actual piece of the moon -- to his new bride, Jeri Schneider.

Diamonds? Nah. Burning Man wedding ring holds a piece of the moon

This wedding will be remembered for many things, but mostly because the new bride got a 3D-printed ring with an ultra-rare, honest-to-goodness lunar rock.

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