Elon Musk says it’s time to retire the ISS and focus on Mars

Elon Musk has reignited debate by urging the retirement of the ageing International Space Station (ISS), calling it a project with “very little incremental utility.” Backed by a NASA deorbiting deal, Musk insists it's time to shift focus to Mars and build a self-sustaining city to secure humanity’s long-term survival.