Did an astroid strike a Martian ocean and create a cataclysmic tsunami?

There's no shortage of theories about what Mars was like billions of years ago. The prevailing guess is that water was abundant, and there may have even been enough to form huge oceans. New research into an existing geographical feature on the red planet could provide new evidence of not only the existence of a massive body of water, but also an astroid impact that could have generated multiple devastating tsunamis. Evidence that water existed on Mars is ample, and many researchers believe that ...