The rover Curiosity, which is managed by Pasadena-based Jet Propulsion Laboratory (JPL), is on its way to Mars.
NASA says its surviving Mars rover Opportunity has reached the rim of Endeavour crater after a nearly three-year trek across the surface of the red planet.
A new report says significant challenges remain before NASA can launch its next rover to Mars later this year.
After years of debating where on Mars the next NASA rover should land, it comes down to the final four.
If you think Mars is a hostile place now, it was harsher 600,000 years ago.
If you don’t mind facing some stiff competition — and spending the rest of your life on the Red Planet — this could be the opportunity of a lifetime.
Astronomers have discovered water in the form of ice on a second asteroid, suggesting the life-essential ingredient is more common than believed.