While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.
Space on MSN10hOpinion
'Heavy' dark matter would rip our understanding of the universe apart, new research suggestsBecause we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.
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