China’s next Mars explorer is not a rover that crawls or a helicopter that hovers, but a hybrid drone that can roll across the ground and then leap into the thin air when terrain turns hostile. By ...
As the Orion, the world’s most advanced deep-space capsule, counts down to circumnavigating the Moon, that trek could be the forerunner to a cascade of Mars missions in the 2030s. Shown here is a ...
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