Science & Astronomy

Einstein's Gravity Waves Could Be Found with New Method
Gravitational Waves of Two Black Holes
October 24th, 2014
Gravitational waves, invisible ripples in the fabric of space and time, might be detected by looking for the brightening of stars, researchers say.
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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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Wow! This Hubble Telescope Photo of Mars with a Comet Is Amazing
Hubble Views Comet Siding Spring and Mars
October 23rd, 2014
A telescope orbiting Earth has captured a jaw-dropping image of a comet making an incredibly close flyby of Mars.
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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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