Methane is one of the potential markers to indicate that life once existed on the red planet.
The rover is currently climbing the slopes of an 18-foot-high mountain on Mars.
The drill malfunctioned in December 2016.
The rover used its arm and camera ensemble to take a selfie on the Red Planet's Vera Rubin Ridge.
Fortunately, the scientists behind the rover love a good mystery.
New findings bolster the idea that life once existed on the red planet.