An astronomer at the U.S. Naval Observatory has developed a hypothesis to explain the unique shape and terrain of Mars. He ...

The Polaris Dawn crew returned safely to Earth after a groundbreaking five-day mission, advancing SpaceXs long-term goal of ...

ESA's ExoMars rover will likely see its way to the red planet’s surface before NASA and ESA return NASA’s Perseverance ...

The Polaris missions are helping fast-track Elon Musk's Mars city, from testing spacesuits and a spacewalk to planning ...

On their final full day in orbit, the Polaris Dawn astronauts dedicated their time to finalising scientific goals and ...

Astronauts in a demo flight headed by billionaire-pilot Jared Isaacman are testing leading-edge technologies pivotal to ...