NASA's yearlong simulated Mars mission at the Johnson Space Center in Houston, Texas is helping pave the way for an astronaut-crewed Mars mission in the coming decades.

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting Americans back to the moon in the near future will be challenging enough.

In “A City on Mars,” Kelly and Zach Weinersmith investigate what life would be like for humans on the red planet, arguing that Elon Musk’s dream is doomed to fail.

Mars has been a popular destination since space exploration began – and there are plenty of people who’d love to go there.