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Earth-Sized Alien Worlds Orbit One in Six Stars
Four years ago, NASA launched the Kepler space telescope in an attempt to learn just how common Earth-sized worlds...
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Atom Smasher Hiatus Sets Stage for More Discovery
The Large Hadron Collider will operate for two more months then shut down through 2014, allowing engineers to lay...
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Double-Star Systems Can Be Dangerous for Exoplanets
Alien planets born in widely separated two-star systems face a grave danger of being booted into interstellar space, a...
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Titan Holds Clue to Faint Young Sun Paradox
Earth should have been an ice cube in the very early days of our solar system, when the sun...
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NASA Considers Dragging Asteroid Into Orbit Around the Moon
Asteroids hold a great deal of scientific potential, but with our limitations on space travel, it’s exceedingly difficult to...
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Nancy Abrams and Joel Primack at TEDxSantaCruz
Joel Primack is a professor of physics and astrophysics at the University of California, Santa Cruz. His wife, Nancy...
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What Mars Would Look Like With Life
What if instead of dust and rocks, our planetary neighbor Mars were a bit more lush? What if it...
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100 Billion Alien Planets Fill Our Galaxy
Our Milky Way galaxy is home to at least 100 billion alien planets, and possibly many more, a new...
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Rock Is New Class of Mars Meteorite
A dark lump of rock found in the Moroccan desert in 2011 is a new type of Martian meteorite,...
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Newborn Star Study Reveals Never-Before-Seen Stage of Planet Birth
Astronomers studying a newborn star have caught a detailed glimpse of planets forming around it, revealing a never-before seen...