Space News

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Despite its bathtub-ready appearance, Hyperion—Saturn's largest irregularly shaped moon—is anything but spongy.

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Our universe may have been born from a previous universe's "big bounce." But we'll never know too much about that universe, a new theory suggests.

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A NASA satellite studying this summer's first shiny polar clouds, which appear 50 miles (80 kilometers) above the Earth, may demystify the strange phenomena.

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NASA's Mars rover Opportunity will descend into the planet's enormous Victoria Crater late next week, mission scientists announced yesterday.

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The latest crisis on the International Space Station raises the question: How to evacuate in an emergency?

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A space shuttle leaves a ghostly knot above Florida, soccer stars scrimmage on a glacier, and Spaniards leap seven babies in a single bound.

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A large basin on Mars's northern plains really did once hold a giant ocean, suggests new research into the planet's shifting poles.

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Evidence of an expanding universe will have disappeared from view in a hundred billion years, throwing any future versions of cosmic science back to 19th-century models, according to a new essay.

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Mars's soft center likely won't solidify from the inside out, as Earth's core has, despite the fact the two planets share similar elements, European scientists say.

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A thin layer of the sun's atmosphere called the chromosphere is heated up by sound waves carried from the star's interior by magnetic fields, new research suggests.

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Astronomers found 28 new planets outside the solar system in the past year, and the increased rate of exoplanet discovery suggests the galaxy is brimming with other worlds.

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An orangutan rampaged at a zoo already infamous for a croc attack, Mars came into sharp focus, rare white lions roared into the spotlight, and more.

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An accidental skid by the Mars rover Spirit turned up what experts say is proof that the red planet was once quite wet.

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A Neptune-size planet likely covered in hot—but solid—water has been discovered in a snug orbit around a nearby star, a team of astronomers announced today.

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New theories about what's creating geysers of water on Saturn moon's Enceladus may put hopes for life there on ice.


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