Category: Space

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Mercury was magnetic four billion years ago

Scientists have found evidence of a four billion year old ancient magnetic field on Mercury, according to new data from NASA’s Messenger mission. The discovery reported in the journal Science, means Mercury has the...

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Best Evidence Yet That Black Holes Exist

There are many wild ideas in science. But the theory of black holes — those objects so massive and compact that nothing, not even light, can escape — definitely makes the top of the...

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