NASA unveiled plans yesterday to set up a small and ultimately self-sustaining settlement of astronauts at the south pole of the moon sometime around 2020 — the first step in an ambitious plan to resume manned exploration of the solar system.

The long-awaited proposal envisions initial stays of a week by four-person crews, followed by gradually longer visits until power and other supplies are in place to make a permanent presence possible by 2024.

Full Story: Washington Post.