NASA's Curiosity Rover Overcomes Six-Day Struggle to Free Itself from Mars Rock

NASA’s Curiosity rover encountered an unexpected obstacle during a routine drilling operation on Mars last month. While collecting a rock sample, the rover’s robotic arm became lodged in a persistent rock, which refused to detach from the drill.

New images released by NASA illustrate Curiosity’s six-day struggle to free itself. The black-and-white footage, captured by the rover’s hazard cameras, was compiled into a rudimentary video by the agency.

Got something weighing you down? Shake it off (like Curiosity)!

The Martian explorer unintentionally picked up a rock while drilling a recent sample, but the team was able to dislodge it by having the rover move its robotic arm and vibrate the drill until the rock fell off. pic.twitter.com/LnLYjIBW2H— NASA Mars (@NASAMars) May 5, 2026

Meet "Atacama": The Rock That Stuck to Curiosity’s Drill

NASA named the problematic rock “Atacama,” which measures approximately 1.5 feet in diameter and six inches thick. The rock weighs around 28.6 pounds.

On April 25, Curiosity extended its robotic arm to drill into Atacama using its percussive drill. The goal was to extract a pulverized sample for analysis—a routine procedure for the rover. However, when the rover attempted to retract its arm, the entire rock lifted off the ground, stuck to the drill sleeve. This was an unprecedented occurrence, as NASA noted that while drilling had previously broken the upper layers of rocks, the drill sleeve had never become attached to a sample before.

Six Days of Persistence: How Curiosity Finally Broke Free

Curiosity’s operators initially attempted to dislodge Atacama by vibrating the drill, but the rock remained stubbornly attached. Days later, the team tried again, this time reorienting the robotic arm, but the rock still refused to budge.

Salvation arrived on May 1, when the team employed a multi-pronged approach. They tilted the drill further, rotated it, vibrated it, and spun it simultaneously. The rock finally fell off on the first attempt—a relief for the team, who had anticipated multiple tries and a prolonged struggle. Unfortunately, Atacama shattered upon hitting the ground.

Curiosity’s Legacy: A Decade of Resilience on Mars

Curiosity has been exploring the Red Planet since 2012, far exceeding its original two-year mission timeline. As the first rover to drill into Mars, it has continued this practice despite showing signs of aging. The rover has faced numerous challenges in the past and has consistently overcome them, demonstrating remarkable durability.

For more updates on Mars exploration, see: NASA Fires Up Futuristic Plasma Thruster Designed to Take Us to Mars.