An artist's rendition released by Yale University shows the interior of Cancri 55 e. Scientists reported the existence of a "diamond planet" twice the size of Earth, and eight times its mass, zooming ... more 

An artist's rendition released by Yale University shows the interior of Cancri 55 e. Scientists reported the existence of a "diamond planet" twice the size of Earth, and eight times its mass, zooming around a nearby star less