Commercial company Intuitive Machines is attempting to land a probe near the lunar south pole. If successful, it will be the second time a private company has landed on the moon in less than a week.

A privately owned lunar lander touched down on the moon with a drill, drone and rovers for NASA and other customers Thursday, but quickly ran into trouble and may have fallen over. Intuitive Machines said it was uncertain whether its Athena lander was upright near the moon’s south pole — standing 15 feet (4.