A curious cow watches as NASA astronauts Andre Douglas and Kate Rubins perform a simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 14, 2024. Credit: NASA/Josh Valcarcel
A curious cow watches as NASA astronauts Andre Douglas and Kate Rubins perform a simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 14, 2024. Credit: NASA/Josh Valcarcel