Ancient tsunamis reshaped Mars’ landscape
Signs of waves shore up evidence for past ocean on the Red Planet
![Martian coastline map](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/05/051816_ts_martian-tsunami-main_free.jpg?fit=860%2C460&ssl=1)
SURF’S UP Meteorite impacts may have generated supersized tsunamis on Mars that reshaped the coastlines of an ocean around 3.4 billion years ago. Red-shaded region shows the reach of the more recent of two tsunamis.
A. Rodriguez