CAPE CANAVERAL, Fla. — NASA is about to launch its first-ever asteroid-sampling spacecraft, but the mission won't be the first to bring pieces of another world back to Earth. The agency's OSIRIS-REx ...
Meteorites are messengers from the depths of time—cast-off fragments of asteroids and comets that formed alongside our sun from raw materials predating our star. But their messages are often muddled ...
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