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 ...

Pooping in the news: Why other animals don't need or use toilet paper Pooping positions have recently been in the news, especially a recent study about how dogs line themselves up with the Earth's ...

From frogs and sponges to jellyfish and tardigrades, scientists reveal how some animals digest food without defecating, ...

(CNN) — Hottest day, hottest week, hottest month, and – increasingly likely – hottest year; 2023 has garnered unwanted records as the climate crisis escalates. (CNN) — Hottest day, hottest week, ...