Why are there so many attempts to reach Marsin at the moment?
NASA’s Mars Perseverance Rover successfully picked up from Cape Canaveral, Florida.
It is after the Hope satellite of the United Arab Emirates was launched and China successfully launched its first rover mission to the Red Planet in the previous weeks.
Also, summer 2020 is a popular time for missions to the red planet because of the way the planets align.
But how far is Mars? Why should we go to Mars? And why are they landing on Mars known as the “seven minutes of terror”?
Here BBC Science Correspondent Laura Foster explains how long it takes to get there and why it is so difficult.
Video by Megan Fisher, Terry Saunders and Laura Foster