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Planets may be vastly more numerous than believed

Planets may be vastly more numerous than believed

The Milky Way galaxy may be filled with millions upon millions of Jupiter-sized planets that have escaped their solar systems and are wandering freely in space, researchers said Wednesday in a finding that seems certain to make astronomers rethink their ideas about planetary formation.

 

Ice On Asteroid Suggests Earth's Water Came From Space

Ice On Asteroid Suggests Earth's Water Came From Space

Scientists have found lots of life-essential water – frozen as ice – in an unexpected place in our solar system: an asteroid between Mars and Jupiter.

 

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