In Mars first, rover drills into bedrock
LOS ANGELES -- For the first time, a robot has drilled into a rock on Mars and collected a sample, and scientists are patting themselves on the back. The likelihood of high-fives also is extremely high.
The Curiosity rover has extended its robotic arm and used the drill carried there to bore a hole 0.63 inches wide and 2.5 inches deep into John Klein, as the Martian rock was dubbed. Within...