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Earth supports one-third less life than estimated

Last Updated: Tuesday, August 28, 2012, 22:11

Previous estimates about the total mass of all life on our planet have to be reduced by about one third, according to a study by a German-US science team.

Planet discovered `right at Earth`s front door` could harbour life

Last Updated: Friday, July 20, 2012, 14:13

Astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington believe they have discovered a planet right at Earth’s front door that may be capable of supporting human life.