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 ...
It’s something every dog owner knows — but now we have the science to prove it: Dogs really can tell when we’re happy or sad. Scientists have scanned the brains of dogs to reveal how they process ...
CNN Science meets religion in the centuries-old Vatican Observatory Posted: July 18, 2026 | Last updated: August 20, 2026 CNN’s Christopher Lamb visits the Vatican Observatory, a centuries-old center ...
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