It’s a long way from Brisbane to Los Angeles ... will be to return physical samples extracted from Mars’ surface back to Earth. Like any space exploration project, however, the exact timing ...

Here’s a look at the 21st-century race to send humans into space ... send humans to Mars, these missions—and the discoveries that will come out of them—may help pave the way.

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and closed-loop systems and the hazards of space radiation.

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...