The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

The holidays are here, which means you’re probably thinking about gifts — what to buy, whom to give to and how much to spend. Gift-giving is often framed as a source of stress and obligation, but a ...

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 ...