Mars may have enough oxygen underneath its surface for life
Everything's happy underground!
Mars Opportunity rover will have 45 days to phone home
The countdown begins once the current storm clears.
Opportunity rover stops responding during Mars dust storm
It doesn't have much hope of recharging in the near future.
Mars Opportunity rover is in danger of dying from a dust storm
Engineers are balancing low power levels with the need for heaters.
NASA is sending its first autonomous helicopter to Mars in 2020
The Mars Helicopter could pave the way for drones to scout the surface.
Researchers say life on Mars may have had a better chance underground
Subsurface hydrothermal systems could have been more hospitable to life.
Broken wheels won't stop Curiosity from exploring Mars
The lonesome robot is showing signs of aging.
NASA tests life-detecting tools for Mars in the Atacama Desert
As one of the driest regions on Earth, it's the best place to test Martian rover instruments.
Curiosity rover can shoot lasers at any rock it wants
NASA gives its Mars rover the ability to choose what rocks to analyze.