NASA's Curiosity Rover Got Its Drill Stuck on a Rock. Here's How They Freed It

This is the first time NASA has encountered a situation like this, and it took nearly a week to resolve. The Curiosity rover landed on Mars in August 2012. While it has enabled many exciting discoveries, the Curiosity Rover has also encountered its share of setbacks. The latest left NASA engineers speechless. On April 25, Curiosity drilled into a rock nicknamed "Atacama" to collect a sample.