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.

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Blue Ghost and New Glenn started off the year right. Many more launches are on the way, and many can be watched online.

While SpaceX is not the sole new launch company, it has set the pace for reducing the cost and increasing the reliability of space launches.