The limitless region of outer space lies before us, awaiting discovery and exploration, but there is concern about the cost of space exploration. Although it does cost a lot of money, the long-term advantages of space exploration and colonization can be quite effective and helpful. If we continue to use fossil fuels and minerals at the rate we're going we won't have much left for the future. Also, the population of the Earth is growing and overpopulating quickly. With further space exploration we may be able to find a way to terraform Mars or the moon. …