Planetary geologist An Yin has made a startling discovery about Mars:
For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement of huge crustal plates beneath a planet’s surface, also exists on Mars.
This is exciting news, Mars has earthquakes and lava!
The article also talks about the Grand Canyon of Mars that is 9x times bigger, called Valles Marineris.