Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere’s history. The ...

Barchan dune field maps on Mars produced by machine learning, with inferred dune migration and wind directions. Credit: Geophysical Research Letters (2023). DOI: 10.1029/2022GL102610 Mars is one of ...

What can sand dunes on Earth and Mars teach us about the latter’s wind behavior and atmosphere? This is what a recently awarded NASA grant hopes to address as a PhD student at Texas A&M University ...

Dr. Paul Rooney, acknowledged as one of the top 100 environmentalists in the UK, has dedicated his career to the study and conservation of coastal dunes. He founded the Sand Dune and Shingle Network ...

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 ...

Wildlife volunteers have come up with a novel way of battling coastal erosion - using old Christmas trees. Thousands of the discarded festive trees are being buried along the Fylde Coast, Lancs, with ...

Depressions such as impact craters can act as traps for sediments that have been blown in from elsewhere, accumulating in various patterns whipped up by strong winds. The dune field in this unnamed 48 ...

Medano Creek in Great Sand Dunes National Park in southern Colorado. Located in southern Colorado’s San Luis Valley, Great Sand Dunes National Park & Preserve is home to North America’s tallest sand ...