South Korea aims to make a Mars landing by 2045, President Yoon Suk Yeol said Thursday, outlining plans to spend about $70 billion over the coming decades on space exploration. South Korea aims to make a Mars landing by 2045, President Yoon Suk Yeol said Thursday, outlining plans to spend about $70 billion over the coming decades on space exploration. Space Exploration Phys.org – latest science and technology news stories