China’s race to Mars heats up with 2028 Tianwen-3 launch plans: All you need to know

China has accelerated its Tianwen-3 Mars mission to a 2028 launch, with plans to return Martian soil by 2031. This move comes as NASA's Mars Sample Return mission encounters delays and cost issues. China aims to collect 600 grams of soil using diverse methods and is open to international collaboration.