Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
Morning Overview on MSN
NASA finds most Earth-like planet yet as Kepler 452b hints at alien life
When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...
"A strong magnetic field is very important for life on a planet," study lead Miki Nakajima, an associate professor in the ...
Space.com on MSN
How to make a super-Earth: The universe's most common planets are whittled down by stellar radiation
The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...
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