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How a sunset might look on Earth's new cousin Kepler-186f

NASA confirms the discovery of an Earth-sized planet that may have potential for life, but its sun is dimmer than ours. Here's what an evening stroll on a beach on Kepler-186f might be like.

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First Earth-size planet that may hold water confirmed

Kepler-186f orbits an M dwarf star in the constellation Cygnus. More importantly, it's the first confirmed Earth-size, potentially habitable planet elsewhere in the universe.

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Planets with a drunken wobble could be more lively

The wackier a planet's wobble, the more likely it could be to sustain life and keep from going full Popsicle, according to new research.

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Mars orbiter snaps Curiosity and tracks from far above

Get a rare perspective on the Curiosity rover's travels across a distant planet with a fascinating image snapped by NASA's Mars orbiter.

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Check out this astronaut's-eye view of the Grand Canyon

The Grand Canyon is still spectacular when seen from the International Space Station.

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Saturn may be birthing a brand-new baby moon

An icy object causing a commotion in Saturn's rings may give astronomers insight into how Saturn's moons form.

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Space lettuce! Astronauts to grow greens on space station

Fresh salads may soon be on the menu for astronauts aboard the International Space Station as they try out a new zero-gravity greenhouse.

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Cloudy skies? Not in the Americas? Watch the total lunar eclipse here

If you can't see this week's total lunar eclipse in the sky above you, you can still watch it online.

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Blood moon: A total lunar eclipse viewer's guide

Late Monday night, the moon is going to bleed in a crimson hue as the night sky attempts to swallow it whole. At least, that was the 16th-century interpretation of a total lunar eclipse. Those in North and South America are in for a treat.

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10 spots in our solar system worth visiting in person (pictures)

The moon? Been there, done that. So what's next? Sure, there's Mars, but what else is on humanity's bucket list when it comes to nearby planetary destinations?

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NASA aims tubes at astronaut's eyes

Does this just-released image from NASA document the first cybernaut or is it something far more sinister (or way more innocuous)? The simplest problems can have complicated solutions in space.

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North Korea names space agency 'NADA,' mimics NASA logo

North Korea's newly named space agency sports the unfortunate acronym "NADA" and features a familiar-looking logo.

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