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The new vehicle, named Orion, is designed to carry humans into deep space. But most Americans aren't aware it exists.
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For all its sound and fury, Christopher Nolan's Interstellar is a movie about a guy who misses his daughter. It takes place in a future that looks like…
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Earlier this week, NASA awarded two contracts for new spaceships to commercial companies. Here's how they compare.
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Four billion years ago, Mars may have looked completely different. Water could have flowed across the planet's surface. There might have been life. To…
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Look up Colorado, and you may witness the birth of a new meteor shower late Friday night. That’s when the Earth passes through the orbit of a comet named…
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The weather may play havoc with the sky-watching on the East Coast, though much of the Midwest and West ought to get a good view.
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Risks to astronauts on extended missions include vision impairment, weakened bones and radiation exposure. There are also psychological risks from facing danger while being stuck inside a small craft.
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In the 1980s, NASA engineer Robert Farquhar came up with a sly plan to divert the ISEE-3 satellite from its original path to visit a comet instead. Now Farquhar has another big plan for his "baby."
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New research shows that a planetary reshuffle might have shaped the ring of rubble between Mars and Jupiter.
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Skies across Colorado will offer a rare opportunity for seeing the Northern Lights — typically seen in places like Canada and Alaska. The impetus for this…