EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

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Scientists have revised the longstanding picture of “Nutcracker Man” — an extinct hominin, or human relative, nicknamed for its large teeth and powerful jaw muscles — thanks to fresh analysis of ...

CNN’s Christopher Lamb visits the Vatican Observatory, a centuries-old center of astronomical research where faith and science intersect. Reverend Richard D’Souza explains how his team studies ...

RFK Jr.'s CNN confrontation with Dana Bash over COVID vaccine efficacy and the ongoing measles crisis exposes how the HHS ...