Astronomy week starts today and the surprise is how little we know about our universe.

In the barren lanscape outside Hanksville Utah, the Mars Society has set up a research facility to simulate Mars. Scientists and Mars enthusiasts go on missions and conduct research to develop knowledge they hope will help prepare for an eventual trip to the red planet.

The newly launched Andromeda Project uses crowdsourcing to find star clusters that will help understand how galaxies form and evolve.

From top secret military missions to tracking natural disasters and studying space weather, small satellites are making big changes in the aerospace industry.

The spacecraft Stardust delivered a package to earth that touched down in Utah's west desert in 2006. This was the start of one of many citizen science projects where regular people can make a difference.