With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...

Loren Munk is unmissable. Dressed in white bespeckled painter’s pants, this 73-year-old artist shambles into New York’s galleries with a slightly crazed look. He walks around with his little camera, ...

Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

It’s a big world out there, and there’s a lot to know. Of course, most of us don’t have the time to sit around and read all ...

Vladimir Putin and his henchmen have repeatedly threatened to deploy their nuclear arsenal since the Kremlin launched its ...