One of the most alien things about living on Mars might be the sunsets: they're blue.
The rover's interactive panoramic selfie is almost like you're standing right next to it on Mars.
Parachutes and airbags are fine for lightweight rovers, but a human transport craft will need to take a bit of extra care.
NASA releases a broad timeline that details the technologies and space experience necessary to get humans to the surface of Mars by the 2030s.
A "wind event" helps clean off Opportunity's solar panels.
A robot orbiting Mars takes a picture of another robot roaming the surface.
Although it’s been a source of contention, scientists now believe that Gusev Crater on Mars (which was explored by the Spirit rover) once held a lake full of liquid water.
This image has been making the rounds as an "artificial light on Mars," but the reality is probably not that exciting.
Europe is sending a robot to Mars in 2018 to pick up some rocks and bring them back to us, which is a lot harder than it sounds.
Elon Musk's company SpaceX is preparing to launch the biggest rocket since the Saturn V of 40 years ago.