ScienceAsteroid With Its Own Moon To Have Close Encounter With Earth This Weekend A potentially hazardous asteroid massive enough to have its own moon will fly by Earth this weekend. It will be the object's second-closest encounter with Earth in the past two decades.by Allan Adamson
ScienceRare Union Between Nitrogen Ice And Carbon Monoxide Ice Observed Neptunian Moon Tritonby Diane Samson
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ScienceFirst Humans On Mars Will Evolve Into An Entirely New Species Quickly, Says Evolutionary Biologistby Naia Carlos