Category: Space


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...


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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