Earth is the third planet from the Sun, and the fifth largest planet. It's the only place we know of inhabited by living things.| NASA Science
From its origins, NASA has studied our planet in novel ways, using a fleet of satellites and ambitious airborne and ground-based campaigns to study| NASA Science
NASA is a global leader in studying Earth’s changing climate.| NASA Science
The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history.| NASA Science