Ready for a unique adventure? Check out this secluded trail in Texas with ancient limestone canyons, mysterious water holes, and massive rock boulders.

Traveling through the national parks of Utah is taking a trip through time. Along the parks’ hiking trails, road and ...

A groundbreaking discovery by NASA’s Curiosity Rover, featuring a surprisingly rare mineral called siderite, is not only ...

On the northern edge of the Ozark Mountains, Onondaga Cave is one of two known caves that encompass part of a Missouri state ...

This spectacular asset flows past so many great spots, WBEZ’s Reset needed to split its lakefront architectural guide in two.

Embark on a journey to explore the world's most breathtaking caves, from the shimmering glowworm caves of New Zealand to the ...

Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

In a lesser-traveled corner of Big Bend National Park, scientists are uncovering one of the most detailed records of ancient marine life anywhere in the world.  The Boquillas Formation, a ...

Natural World Photography Competition June 15 was Nature Photography Day, and in celebration of that, the winners of the annual California Academy of Sciences' BigPicture: Natural World ...

I have seen a lot of Australia. In fact, I saw almost the entire coast before the age of 10 thanks to my family doing a year ...

Limestone is a porous rock; water flows through it via tiny holes ... Below the quarry's floor is a layer of naturally occurring shale, an impermeable rock that similarly will prevent water ...

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