Mars rock gets stuck on Curiosity rover's drill - Takes 5 days to shake off.NASA’s Curiosity rover encountered an unexpected challenge in late April 2026 while drilling into a rock nicknamed “Atacama” in Gale Crater on Mars.On April 25, the rover successfully drilled into the 28.6-pound (13 kg), roughly 1.5-foot-wide rock. However, when it attempted to retract its robotic arm, the entire rock remained firmly lodged on the fixed sleeve surrounding the drill bit — an unprecedented situation for th