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There are real concerns with long-term power generation on the Moon; nuclear could be the answer. But for NASA, will the cost be too high?
The thick sheets of ice at these eight sites could provide the reservoir of water necessary for human expeditions to Mars.
When you're in the hospital, doctors might call the shots on the big decisions, but the quality of your stay is extremely dependent on nurses—particularly their competence and compassion. But what if your nurse just doesn't have time for the compassionate part of caring for you?
The red planet is nearby, cool, sunny, and was once potentially habitable. Could it someday be that way again? “It would be great some day to have astronauts in a rover […]