Avalanche!

We see an avalanche on Mars.

http://www.space.com/scienceastronomy/080303-mars-avalanche.html

When solar winds collide:

http://www.space.com/scienceastronomy/080303-mm-stellar-wind-collision.html

What the heck is wrong with our sister planet?

http://www.space.com/scienceastronomy/080228-venus-collision.html