One Spanish yacht, a quarter of a million square kilometres of sea. Boatloads of desperate men, women and children fleeing for their lives. Can a Barcelona crew help thousands on a risky journey and steer them to safety?

In the era of New Space, billionaire Elon Musk is blazing the trail. He's building a gigantic starship to fly humans further than ever before. Sarah Ferguson reports on one man's extraordinary mission: Destination Mars.