Will Curiosity’s drill uncover evidence of past life on Mars?
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NASA’s Mars Curiosity has achieved another milestone in its search for signs of past life on the Red Planetâ€“ successfully drilling into a rock which scientists believe once held water.
The rover employed a drill attached to the end of its 7-foot-long robotic arm to drill into the flat, veined Martian rock. Seven minutes and 2.5 inches later, Curiosity had removed an aspirin-sized amount of powder to be analyzed in its onboard laboratory.