You’ve heard of Mayan cities of gold. You’ve heard of Aztec blood-filled temples. So why haven’t you heard about the sprawling structures of North America’s Cahokia?

The recent unearthing of mysterious rock formations in the Great Smoky Mountains National Park has left experts scratching ...

Scientists have found that ancient horsetail plants change water chemistry in surprising ways, offering new clues about Earth ...

From a half-million symmetrical lakes to a lost gold mine, our national parks and public lands are home to fascinating and ...

A team of researchers at The University of New Mexico has uncovered how a peculiar, prehistoric plant might unlock new ways ...

Scientists have hypotheses about some of nature's biggest mysteries but are still working on proof. Some beautiful phenomena can't be explained yet.

A mysterious 80-million-year-old predator unearthed in Egypt's desert is shaking up what we thought we knew about ancient ...

I'm always down for a nature hike where I get to see some cool plants, maybe an animal or two, and an interestingly shaped ...

Researchers propose that hydrogen gas from the early Universe emitted detectable radio waves influenced by dark matter.

While hiking deep in the Great Smoky Mountains National Park, explorers stumbled upon bizarre, ancient-looking rock ...

Walk the path of a cult initiate and explore the Sanctuary of the Great Gods on the Greek island of Samothrace in this ...

From desert carvings to underwater ruins, these ancient structures are so advanced that experts still can’t agree on what ...