Fresh snow can look like a blank sheet of paper, so bright it almost hurts to stare at in midday sun. Yet at the microscopic ...

In the kind of cold that locks car doors and makes eyelashes frost, a simple pan of boiling water can turn into a white arc ...

Welcome back to another general science quiz! This 28-question challenge pulls from physics, biology, chemistry, and Earth ...

A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.