From stars to needles to amorphous globs, scientists are demystifying a snowflake’s complex construction, showing how factors ...

Air bubbles within a deep ice core drilled in Antarctica could reveal why Earth suddenly began to experience longer ice ages ...

Seeing as the Columbia River Gorge has the highest concentration of high waterfalls in North America, choosing which ones to ...

A comparison of polar sea ice extents on two random days does not provide enough information to determine whether or not Earth's climate is changing.