Astronomer and cosmologist Lord Martin Rees asks whether our species will endure despite the many existential threats we face. How Can We Ensure Our Survival As A Species? Part 3 of the TED Radio Hour ...

Opening with an update on Earth’s history, Martin Rees said, “Humans now utilize forty percent of the world’s biomass; we are collectively affecting the world’s climate and ravaging the biosphere. The ...

Elon Musk's plans to send humans to Mars are a "dangerous delusion", according to Britain's chief astrophysicist Lord Martin Rees. Lord Rees, who has been the astronomer royal since 1995, dismissed ...

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