A look at Earth from outer space revealed a surprising find some 1,400 miles beneath Earth's crust: a molten iron river flowing beneath Russia and Canada. The 260-mile-wide stream, detected by magnetic field readings taken by the European Space Agency's Swarm satellites, is as hot as the Sun's surface and, in recent years, has been flowing progressively faster.
At this point, the stream is flowing westward at a rate of 25 miles per year, a rate "three times faster than the normal outer-core speeds," Gizmodo reported. One scientist told BBC News the flow was "probably the fastest motion we have anywhere within the solid Earth."
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