Science & Astronomy

Hundreds of 'Exocomets' Around Nearby Star Come in Two Flavors
Exocomets Orbiting the Star Beta Pictoris
October 22nd, 2014
The best look yet at nearly 500 comets around a distant star reveals these alien snowballs come in very different flavors, just like comets around the sun. These "exocomets" could shed light on what the solar system was like in its tumultuous youth.
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NASA Mars Probes See Rare Comet Flyby (Photos)
MRO Sees Comet Siding Spring
October 21st, 2014
NASA's Mars Reconnaissance Orbiter and Opportunity rover have beamed back amazing views of a comet that made an extremely close pass of the Red Planet on Sunday (Oct. 19).
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Who Owns the Moon? (Op-Ed)
Real estate on the moon
October 20th, 2014
Without proper regulation, the moon risks becoming an extra-planetary Wild West.
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Huge Magnetic 'Ropes' Drive Powerful Sun Explosions
View of a typical solar eruption using data from NASA's Solar Dynamic Observatory spacecraft. Earth depicted for scale.
October 22nd, 2014
Eruptions on the sun's surface are probably caused by giant, unstable magnetic plasma arches, a new study reports — a discovery that brings scientists one step closer to predicting solar outbursts that can wreak havoc on Earth.
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Sun Unleashes Powerful X-Class Solar Flare (Video, Photos)
X-Class Solar Flare of Oct. 19, 2014
October 21st, 2014
The sun fired off an X-class solar flare — the most powerful type — that peaked at 1:01 a.m. EDT Sunday. NASA's Solar Dynamics Observatory spacecraft captured photos and video of the intense sun storm, which researchers classified as an X1.1 flare.
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