Extraterrestrial Life Could Be Vulnerable to Greenhouse Effect
Exoplanet Orbits Coku Tau 4
February 10th, 2016
A powerful greenhouse effect can destroy a planet's chances of hosting life, a new study suggests.
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Comets May Not Explain 'Alien Megastructure' Star's Strange Flickering After All
Family of Comets
February 8th, 2016
It's looking less likely that a faraway star's strange dimming can be explained by a swarm of comets or an "alien megastructure."
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In Historic First, Einstein's Gravitational Waves Detected Directly
gravitational waves
February 11th, 2016
100 years after Albert Einstein first proposed these ripples in spacetime as part of his theory of relativity astrophysicists have found proof of their existence.
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Medium-Size Asteroid Strike Could Unleash a Mini Ice Age
Asteroids headed toward Earth
February 9th, 2016
A strike by a medium-size asteroid on land (as opposed to at sea) could cause average global temperatures to plunge to Ice Age levels, and lead to steep drops in precipitation and plant productivity, among other effects, a new study suggests.
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Swirling Magnetic Sun Mesmerizes in NASA Animation
February 5th, 2016
A combination of computer modeling and solar imagery visualize the sun's magnetic structure, offering a peek at the intense and dramatic activity that keeps the star's engine running.
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Gravitational Waves vs. Gravity Waves: Know the Difference!
Gravitational waves, gravity waves, primordial gravitational waves
February 11th, 2016
Gravity waves, gravitational waves and primordial gravitational waves... what do they mean? Is there a difference?
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Death by Meteorite? India Tragedy May Be 1st in Recorded History
asteroid in space
February 8th, 2016
For the first time in recorded history, a meteorite is reported to have killed a person.
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The 'Floating Hills' of Pluto (Photo)
Pluto's floating hills
February 5th, 2016
A newly released photo captured by NASA's New Horizons spacecraft during its historic Pluto flyby last July shows that the vast Sputnik Planum region within the dwarf planet's "heart" is studded with chains and clusters of water-ice hills.
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