Next time you explore a beach or a desert, look down at the sand. You might spot patches of small ripples just a few ...

Dec. 6, 2022 — Researchers have been studying the dynamics of how crescent-shaped sand dunes are formed. Known as barchans, these formations are commonly found in various sizes and circumstances ...

As one of the oldest star dunes we’ve discovered so far, Lala Lallia became a testing bed for scientists trying to learn more about how these peculiar sand dunes form.

Unlike hard rock, which can dissolve to form caverns and sinkholes, dunes are just big piles of sand formed as wind stacks one grain atop the next. There was no sign of Nathan—just a round, 12 ...

After that clay was formed, that’s when the sand dunes moved in around 3,500 years ago,” she said. To determine which sand is recent, scientists use optically stimulated luminescence.

A new study led by the University of Southampton and research institutes in France has uncovered the mystery of how mini sand dunes form on beaches and in deserts. While the formation of large ...