Yup! You can also get all kinds of materials from asteroids too, including oxygen and hydrogen along with water. One that is important for life and combined can be used rocket fuel. You can also collect a number of metals to use for construction as well

Also this!

[img]http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2013/02/Meteorite-pallasite-Glorieta-580x425.jpg[/img]

It's actually pretty rare but it's still pretty :)