NASA is keeping an open mind as to what precisely those commercial landers will look like, although the agency does want projects that have a scientific or technological focus. "We are looking for ways to not only conduct lunar science but to also use the moon as a science platform to look back at the Earth, observe the sun, or view the vast universe," Clarke said. "In terms of technology, we are interested in those instruments or systems that will help future missions — both human and robotic — explore the moon and feed forward to future Mars missions." In...