Today's Mars is basically an immense, icy desert
The new study began with the discovery by NASA's Curiosity Mars rover of manganese oxides, which are chemical compounds that can only be produced with...
"It's going to be very difficult not having Mother Earth next to you," warns former astronaut Chris Hadfield.
East Africa, along with the Middle East and parts of Europe, was forecast to have some of the best views of the lunar eclipse.
Since Mars had oceans and lakes billions of years ago, researchers say early life forms may have thrived there.
Trump said in October he wanted to "free Nasa from the restriction of serving primarily as a logistics agency for low-orbit activity".
Mars has become a graveyard for many a mission seeking to explore a planet that has captured the human imagination for millennia
ExoMars is Europe's first attempt at reaching our neighbouring planet's hostile surface after its first failed bid 13 years ago.
The most challenging aspect of the experiment was the monotony.
China announced in April it aims to send a spacecraft "around 2020" to orbit Mars, land and deploy the rover.
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