• New data from the Rosetta probe indicates that the asteroid 21 Lutetia may have a molten, metallic core.
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  • Prior to the 'Great Oxidation Event', when Earth's atmosphere became rich in oxygen, reserves of the gas may have been stored in the oceans. The evidence of 'oxygen oases' in the oceans can be seen in tiny aerobic organisms that evolved to survive on extremely
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  • Prior to the 'Great Oxidation Event', when Earth's atmosphere became rich in oxygen, reserves of the gas may have been stored in the oceans. The evidence of 'oxygen oases' in the oceans can be seen in tiny aerobic organisms that evolved to survive on extremely
    more...