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Mars rover’s drill out of action

The rock-coring drill fixed to the end of the Curiosity rover’s robot arm has suspended operations to allow engineers on the ground to diagnose, and officials hope correct, a problem traced to the mechanism that pushes the drill bit onto rocks to collect powder samples.

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John Glenn remembered

In an emotional remembrance, John Glenn was honored Saturday for an unprecedented career in public service, from his days as a combat fighter pilot, his historic journey into space as the first American in orbit, a quarter century of service as an Ohio senator and his unlikely return to space at age 77 aboard the shuttle Discovery.