Mars: Why is it so tough to get to the Red Planet?

Ever wondered how hard it is to get to Mars?

Well it's pretty challenging for lots of different reasons.

Despite that, there are three missions attempting to reach the planet this month.

China's Tianwen-1 and the United Arab Emirates' Hope Orbiter have already launched, with Nasa's Perseverance rover due to go next week.

BBC Science Correspondent Laura Foster explains the difficulties of getting to Mars, and why now is a good time for missions to the Red Planet!