NASA's Mars missions have uncovered liquid water, potential biosignatures, and a hidden volcano on the Red Planet. The post ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

Mars has captured human imagination for centuries, but the Red Planet holds far more secrets than NASA typically shares with the public. While the space agency presents Mars as a fascinating but ...

Drone-mounted radar flown over glaciers on Earth show how the technology can map buried ice in detail, helping future Mars spacecraft choose exactly where to drill.