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.
Scientists find that most meteorites from Mars that are now on Earth got here thanks to a huge asteroid impact.
The private, manned Inspiration Mars project plans to fly by both Venus and Mars in 2021.
An ancient Mars meteorite shows evidence of life within its surface, thanks to its unique patterns and textures.
See the dot in this picture, taken of the surface of Mars from orbit? That dot is about a billion dollars worth of extraterrestrial science in action.
Although we've seen signs that liquid water may exist on Mars, and even be flowing across its surface, getting proof isn't going to be easy.