3D image reveals ancient Martian flood

NASA has created a 3D reconstruction of ancient water channels below the surface of Mars, revealing evidence of a catastrophic flood in the last 500 million years.

Martian crater may once have held lake

NASA's Mars Reconnaissance Orbiter (MRO) has found evidence that McLaughlin Crater once contained a lake fed by flowing groundwater.

Clays - signs of water - are 'widespread' on Mars

Clay minerals - rocks that usually form when water is present for long periods of time - cover much more of Mars than previously thought, say Georgia Institute of Technology scientists.

Dry ice falls as snow on Mars

NASA's Mars Reconnaissance Orbiter (MRO) has returned the first definitive evidence of carbon dioxide snowfalls on Mars - the only place this is known to happen anywhere in our solar system.

Orbiter solves Martian mysteries

NASA's Mars Reconnaissance Orbiter (MRO) has helped solve two forty-year-old mysteries and delivered new information about climate change on Mars.

Ice damage finally kills off Phoenix Mars Lander

NASA's Phoenix Mars Lander - which landed two years ago today - will not be rising from the ashes.