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Flame Dances on Board Space Station

Starting a fire on the International Space Station might not sound like such a good idea. [More]

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Black Hole May Eat Asteroids

At the center of our Milky Way galaxy is a supermassive black hole. It weighs as much as four million suns. The black hole is hefty, but it's pretty tranquil most of the time. [More]

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John Glenn Orbited 50 Years Ago Today

“This is Friendship 7 . Have beautiful view of the African Coast.” [More]

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Mars May Still Be Quaking

What's shaking on Mars? A new study suggests that tremors may have rattled the Red Planet just millions of years ago. These earthquakes, well, Marsquakes, could even be ongoing today. That would mean...

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Dark Matter Clump Furrows Brows

Dark matter. It’s hard to see, it’s hard to study and it just won’t behave. There’s plenty dark matter around. It’s just that no one knows what it is. It only makes its presence felt through its...

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"Man in the Moon" Facing Factors Figured

Why is the far side of the moon on, well, the far side of the moon? [More]

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Mars Makes Movie Execs See Red

“We open on a lone soldier walking through the desert. The year: 1861. The place: Mars!” [More]

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Martian Water Stuck in Minerals

Mars today is pretty dry. But billions of years ago, water flowed across the Red Planet. It ran in rivers that carved deep valleys. And it may have even filled a Martian ocean inside what today look...

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Supernova Turned Star Inside-Out

It’s a blast from the not-too-distant past. [More]

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Space Shuttles Head for Final Destinations

“And nose gear touchdown, and the end of a historic journey. And to the ship that has led the way time and time again, we say farewell, Discovery. ” In 2011 space shuttle Discovery completed its final...

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Ballooning Star Split Planet in Two

In about five billion years, Earth is going into the broiler. The sun will swell up into a red giant, engulfing us and the other inner planets . And that'll be that. [More]

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Gamma-Ray Bursts Found Innocent in Ray Case

Earth is under siege from outer space! In a way. We get peppered by speedy particles, called cosmic rays, all the time. Some come from the sun, some from supernovas and some via solar-style winds...

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Earth Was Longtime Asteroid Punching Bag

An asteroid impact is widely blamed for killing off the dinosaurs 65 million years ago. An asteroid 10 kilometers wide struck the Yucatan peninsula and left a giant crater. It also tossed up enough...

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Zeppelin Searches for California Meteorite

Gold Country is now meteorite country. On May 3rd scientists inspected the northern California countryside from the air for fragments of the so-called Sutter’s Mill meteorite . The minivan-size space...

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Astronomers Detect Smallish Exoplanet's Infrared Glow

Here’s a hot topic: astronomers have detected infrared radiation from a faraway planet not much bigger than our own. [More]

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Annular Eclipse Hits U.S. Sunday

Lucky sky-watchers in the western U.S. are in for a treat Sunday: an annular eclipse. [More]

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SpaceX Private Vessel Reaches ISS

It may lack the poetry of “the Eagle has landed,” but here’s major space news: the Dragon has docked. [More]

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SpaceX Dragon Returns to Earth from ISS

“And the SpaceX team is confirming that Dragon has successfully splashed down at 10:42 A.M. Central Time. Dragon is in the water.” NASA Mission Control, announcing that the first commercial spacecraft...

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Astronomers Seek Biggest Stars

How big can a star get? Based on observations, astronomers think there's a limit of about 150 times the mass of the sun for the vast majority of stars.   [More]

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Super-Earth Exoplanets Could Be Better for Life

Earth is the only planet we know of that harbors life. But could some exoplanets be even better for life? [More]

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