Pictures taken from NASA's Mars Reconnaissance Orbiter spacecraft showed finger-like features which may be flows of salty water spilling over the rims of craters
The camera has already taken hundreds of images of the Martian surface and the instrument will obtain about 5000 for every year till 2010.
Mars has belts of glaciers consisting of frozen water equivalent to over 150 billion cubic metres -- enough to cover the entire surface of the red planet with more than one metre of ice, scientists say.
NASA has released an image of a relatively fresh landslide on Mars that shows boulder-covered landslip along a canyon wall.
In a once-in-a-million-years encounter, a comet, the size of a small mountain, flew past Mars on Sunday.
Scientists have found the first evidence that briny water may flow on the surface of Mars during the planet's summer months.
Rediff.com takes a look at spacecraft that have successfully made it to Mars.
According to the European Space Agency, the unmanned spacecraft -- Schiaparelli -- exploded on impact with the Martian surface after falling from as high as 13,000 ft (4,000 m).
The study conducted by French scientists shows that, during late winter and spring, underneath the seasonal CO2 ice layer heated by the Sun, intense gas fluxes can destabilise the regolith material and induce gas-lubricated debris flows which look like water-sculpted gullies on Earth.
A NASA spacecraft has detected deposits of glass on Mars.
The next NASA rover to Mars or another planet may be quipped with a new "do-it-all" camera that can identify, photograph and even analyse patches of soil or rocks close up and far away, scientists say.
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