ROLLA, MO. - The Mars Rover Design Team at Missouri University of Science and Technology has won the University Rover Challenge for the second consecutive year, after competing against 35 teams from across the country and around the world. "We didn't go into it thinking we were world champions," says Chase Stem, chief executive officer of the team and a 2026 graduate. "We're a new team, a new group of students, a new leadership group, with a new…