A rendering of a lunar lander of the European Space Agency’s Argonaut program, which has its first mission to the moon scheduled for 2030. Methane released from spacecraft like these could contaminate icy regions of the moon’s poles that…

A rendering of a lunar lander of the European Space Agency’s Argonaut program, which has its first mission to the moon scheduled for 2030. Methane released from spacecraft like these could contaminate icy regions of the moon’s poles that…