In space, the astronauts wipe the walls, floors, and windows to keep them clean. The mission is now going to cost NASA more than $828 million, Space News reported. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind. Doing chores is not always a fun thing.

If all goes according to plan, humans will have been living in space for more than 20 years when NASA's centennial celebration rolls around in 2058. By Joe Pappalardo

So Stephen Hawking says we'll need to get off-planet within 100 years.

NASA.gov brings you the latest images, videos and news from America's space agency. They have to keep their area clean in space just like we do on Earth. We may live on Mars or the moon, or not. In space, astronauts live in a very small space. And we'll check its reflexes with a radio experiment." They use a soap that kills germs. As part of President Bush's "Vision for Space Exploration" plan, the agency announced in 2006 that astronauts would break ground on a lunar base settlement no later than 2020 [source: Johnson ].

He may be right, or not. But we have to keep our rooms and houses clean and neat. Either way, space is physically tough on humans. A 10-Year Odyssey: What Space Stations Will Look Like in 2030 NASA’s new plan for orbit conjures a striking view of government and commerce in space.