Planet Nine

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The search for a new planet

Two astronomers have stunned the scientific community with their claim that another world circles beyond the eight known worlds.

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    The road to sedition

    Controversy over a student protest in India has exposed the dangerous rise of nationalism in the world’s largest democracy.

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    The ancient roots of humanism

    A new book challenges the idea that modern science gave birth to unbelief, tracing it back to the Greeks and Romans.

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    To store, perchance to thaw?

    The cryonics industry promises to freeze and revive the human brain. Neuroscientist Clive Coen explains why this is wishful thinking.

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