Winds blowing over a dune can move grains of sand in three main ways. What path these grains take depends on their size, although the exact size in each category can change from site to site. Think of ...

Sands of time A new study has found sand dunes on Mars are at least five times more active than earlier estimates, being comparable to dune movement rates on Earth. The findings by researchers ...

SAUGATUCK, Mich. — Build a house upon a dune and — in some cases — neither the house nor the dune will be able to stand. Roughly 273,000 acres of Michigan coastline is covered by sand dunes. Around ...