Stephen Hawking spent the final years of his life convinced humanity had to become a multi-planet species before this century was out — and almost every risk he warned about has accelerated since he died

Monday, May 18, 2026 · space daily editorial team

Stephen Hawking spent the final years of his life convinced humanity had to become a multi-planet species before this century was out — and almost every risk he warned about has accelerated since he died

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