When Mohammed Sallam was chosen for a one-way trip to Mars, his life changed overnight. A decade later, he's still waiting ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

A mysterious pyramid-like structure spotted on Mars has sparked theories that an ancient civilization similar to our own may have once existed on the Red Planet. A viral post has flooded the internet ...

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a dramatic rise in ozone. Scientists found that the lack of sunlight and moisture ...