NASA's budget is scrutinized by Congress, igniting debate over the direction of the space agency.

The agency wants to figure out how it would feed astronauts on any future mission to Mars, so it needs people to try to cook and eat astronaut food for four long months.

The Obama Administration announced yesterday that the U.S. will hold international talks on space junk, that debris left over from human activity in space that poses a risk to satellites, astronauts, and those of here on earth.