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 ...

The race to Mars has quietly become the defining contest of twenty-first century spaceflight, pitting a state-backed Chinese program, a commercially driven SpaceX campaign, and a methodical NASA ...

NASA is preparing to drill deeper into Mars than ever before, targeting ancient layers of frozen water buried beneath the ...

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, ...