Live Science on MSN

Trio of 'black mesas' leftover from Paleozoic era spawn rare sand dunes in the Sahara — Earth from space

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The ...
USA Today

The dunes are just the beginning of what’s so great about Great Sand Dunes National Park

Specifically Great Sand Dunes National Park and Preserve, home of the tallest dunes in North America. “We just had one of our scientists do some measurements, and Hidden Dune is the tallest dune at ...
Discovering Hidden Gems US on MSN

Great Sand Dunes National Park one day itinerary

Plan your perfect Great Sand Dunes National Park one day itinerary with must-know sled rental tips, weather advice, and local ...
SpaceNews

SwRI Study Suggests Debris Flows on Frozen Arctic Sand Dunes are Similar to Dark Dune Spot-seepage Flows on Mars

A team of scientists from Southwest Research Institute (SwRI) has demonstrated that frozen water in the form of snow or frost can melt to form debris flows on sunward-facing slopes of sand dunes in ...
Chicago Tribune

‘A hike is a great way to spend Black Friday’: Hikers choose dunes, views as shopping alternative

As an alternative to shopping on Black Friday, Indiana Dunes National Park hosted an assortment of family-friendly hikes on Friday at West Beach. Close to 50 hikers gathered on Friday afternoon, ...
fox17online

‘Black sand’ uncovered on Lake Michigan’s shore

PORT SHELDON TOWNSHIP, Mich. — While walking on the beaches of Lake Michigan this spring, you may have stumbled upon a dark blob of material near the water. What it is has been on the beach the entire ...
sciencex

Calving sand dunes, stress fields in Southern California, and Devonian black shale

New Geology postings discuss a vanished link between Antarctica and Australia; the West Salton Detachment fault in California, USA; chemical interaction between peridotite and intruding melts in the ...