How the Ozarks Formed

Recently my wife and daughter and I hiked to Big Bluff, a majestic roost 500 feet above the Buffalo River, which flows through the Ozarks of Northwest Arkansas. Accessible from the “Goat Trail” spur ...

Stored in the Rings: Tree Ring Lab

With the debate about global climate change raging as fervent as ever, it would be nice if there was a way to go back hundreds and thousands of years to figure out just how unusual the current climat...

Dino Tracks

See scientists suffer in the sun to expose a 115-million-year-old world where dinosaurs strode the Arkansas coast. Learn why footprints tell us more than bones can.

In the Tracks of the Cretaceous

A giant, meat-eating dinosaur called Acrocanthosaurus atokensis left its tracks on a muddy coastal plain in southwest Arkansas. The tracks are mingled with those of large plant-eating dinosaurs simil...

Sustaining Petra

As tourists visit this World Heritage Site, recently named one of the Seven Wonders of the World, they literally wear the sandstone away beneath their feet.