The floods that shaped the red planet: Canyons on Mars and Earth were forged by huge bursts of water
Our planet has been shaped over millions of years by geological processes, but it is not the only one.
Mars is also covered in mountains, plateaus and canyons that reveal hints of a geological past involving vast oceans, mega-tsunamis and super volcanoes.
Now researchers have worked out the mechanisms that shaped some of the deepest canyons on both Earth and Mars, and the answer lies in catastrophic floods.
HOW CANYONS FORM Initial theories assumed floods filled canyons to the brim, with a huge amount of water.
But the researchers' new model suggests as floodwater cut into bedrock, the... read more
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