Articles

The Downlink

With International Observe the Moon Night coming up, there are many moons worth checking out.

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An annular solar eclipse is about to wow the world, and there’s plenty more to get excited about in space science and exploration this week.

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Jupiter looks fit for a martini, and Carl Sagan pairs well with a cosmopolitan. Find out why, and learn about the latest in space science and exploration.

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Mars Sample Return’s future depends on what we do now. NIAC’s projects are very future-forward. And in many ways, the future is already here.

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Celebrate today’s equinox, but be sure to check when your location’s equilux takes place. And there’s lots to celebrate about this year’s Day of Action.

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Some things are lost — Moon rocks, Io’s water, even (briefly) the Sun’s light — but what we find in space is so much greater.

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Discover what causes a comet’s color and what it might be like to listen to one whiz by.

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See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.

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From asteroid impacts to spacecraft landings (whether successful or not), the Moon is no stranger to being struck.

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Mars has storms of dust, while Saturn pours down ammonia rain. Here on Earth, we passed through a debris tail to get a special kind of shower.

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Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.

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Faraway spacecraft, distant objects, the lunar farside, and a pretty out-there art project.

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From searching for life to training for spaceflight, water is an essential part of space exploration.

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An unusual lunar feature, Saturn’s shining rings, and Mars’ complex gullies.

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Take a look at some of our favorite recent space images and learn about an express mission to Mars.

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Astronomers around the world are working to protect the Earth from asteroid impacts, with the help of Planetary Society members and donors.

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From Saturn’s magnificent rings to Mercury’s surface dings, this week brings great new images and science from across the Solar System.

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This week in space: Mars days almost match up with ours, and light and molecules are created by distant stars.

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The real science of aliens, the policy implications of ET, and new views of worlds beyond our own.

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Two new grant-winning projects, a collection of awesome space imagery, a mighty plume, and much more this week in space.