There are more planets than there are stars, and at least a quarter are Earth-size planets in their star’s so-called habitable zone ... Oceans and clouds? All these questions can be answered ...

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

While the snow won’t accumulate much, snow squalls can be particularly tricky. They bring a sudden burst of snow that can significantly reduce visibility, making for potentially hazardous driving ...