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Mars Rovers Still at Work

The two Mars Rovers, Opportunity and Sprit, are showing signs of wear... not surprising, since their mission was expected to end in April. But they're still beaming signals to Earth. NPR's Joe Palca reports.

Copyright 2022 NPR. To see more, visit https://www.npr.org.

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.