One of two cosmonauts working outside the International Space Station on Wednesday safely returned to the laboratory's airlock after an electrical issue on his spacesuit forced Moscow's ground control to end the routine spacewalk early, U.S. and Russian officials said.
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Oleg Artemyev was nearly three hours into a six-hour spacewalk when voltage levels in his spacesuit's battery began to drop, prompting flight controllers in Moscow to order the cosmonaut's immediate return to the space station's airlock.
