Elon Musk’s ambitious vision of building a self-sustaining city on Mars may sound like science fiction, but SpaceX is pushing hard to make it a reality. However, raw rocket power isn’t enough. This ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. Rovers on Mars have made exciting finds and ...

When Philip K. Dick imagined artificial beings in his book "Do Androids Dream of Electric Sheep," the question was whether machines could think and feel like humans. Today, NASA is posing a related, ...

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