Like HowStuffWorks on Facebook!

Preparing for America's Lunar Return

Plans are currently being made for a settlement on the moon. Before that can happen, NASA needs more information. The Lunar Reconnaissance Orbiter (LRO) will orbit the moon for a year in an effort to learn more about the possibilities of lunar living.


Most Watched in Space Exploration

Most Watched in Space Exploration
2:33

Radio Telescopes

Most Watched in Space Exploration
1:49

Through the Wormhole: What Do Aliens Look Like?

Most Watched in Space Exploration
2:33

Radio Telescopes

Most Watched in Space Exploration
2:34

Assignment Discovery: Astronaut Training

Most Watched in Space Exploration
1:45

The Year in Space 2000: Deep Space One

Most Watched in Space Exploration
4:32

Chandra: Stellar Evolution

Most Watched in Space Exploration
1:51

Science of the Impossible: Deep Space

Most Watched in Space Exploration
2:32

Stephen Hawking's Universe: Black Hole Time

Most Watched in Space Exploration
2:57

Assignment Discovery: Space Station Work and Play

Most Watched in Space Exploration
5:07

Phoenix Mars Lander on the Martian North Pole

Most Watched in Space Exploration
2:16

Year in Space 2000: Deep Space Probes

Most Watched in Space Exploration
3:05

Sci Fi Science II: Frozen In Time


Recent Videos in Space Exploration

Recent Videos in Space Exploration
2:14

Space: NASA Hover Test Flight Explained

Recent Videos in Space Exploration
1:00

Cool Jobs in Science: John Holdren

Recent Videos in Space Exploration
2:06

Sci Fi Science: Building a Starship

Recent Videos in Space Exploration
2:20

Sci Fi Science: Using Antimatter

Recent Videos in Space Exploration
1:34

Sci Fi Science II: An Emailable You

Recent Videos in Space Exploration
1:57

Sci Fi Science II: Cheap Exploration

Recent Videos in Space Exploration
3:05

Sci Fi Science II: Frozen In Time

Recent Videos in Space Exploration
1:16

Sci Fi Science II: Finding A Star

Recent Videos in Space Exploration
1:23

Sci Fi Science II: How To Build A Planet

Recent Videos in Space Exploration
1:53

Sci Fi Science II: Mimicking Gravity

Recent Videos in Space Exploration
1:45

Sci Fi Science II: Strange New World

Recent Videos in Space Exploration
1:49

Through the Wormhole: What Do Aliens Look Like?