During the 8th century CE, warfare and failing agriculture forced Maya people to move north, to hotter, drier Yucatán. Because of its freshwater access, Chichen Itza became the most powerful Maya city, with nearly 50,000 citizens at its...

Around the world, there are lakes that disappear without warning. Then, suddenly without warning, they sometimes return! This vanishing and reappearing affect reveals some surprising connections. Learn all about it with Hank on this new...

You'd think if we can tell when a star is about to implode that we could predict when a giant hole is about to open up here on earth and ruin our day. So why are sinkholes still so hard to predict?

Hank is joined by Peter Winkler with some news about sinkholes and DARPA's new robotic mule, and then the boys are joined by Jessi from Animal Wonders and her special friend "Fluffy" the Chilean rose hair tarantula.

Around the world, there are lakes that disappear without warning. Then, even stranger, they come back! This can happen for lots of different reasons, and the fact that they vanish and reappear reveals some surprising connections.

Chongqing, China:"Our first stop will take us to one of the best and biggest museums in all of China. We will learn all about the culture and history of this great nation in the heart of Chongqing. We will try the classic Chinese 'hot...

Easily eroded by water, limestone's composition means it makes up spectacular sights all over the world. Learn about some of the surface and underground features of this rock type. Earth Science - Geology - Learning Points. Limestone is...

A look at caves of all shapes and sizes: how do they form? And what creates the strange stalactite and stalagmite structures that can be found inside? Earth Science - Geology - Learning Points. Caves are natural underground holes carved...

Dive into 'Sinkholes' to uncover the mysterious world of these sudden earth gaps! It’s a fascinating glimpse into why the ground can sometimes just open up, explained simply for kids.

Explore the sudden and often terrifying phenomenon of sinkholes. This video investigates how these giant holes are formed naturally over thousands of years, their potential dangers, and what typically lies at their mysterious bottoms....

This video is answering the question of what is a sinkhole.

This video is answering the question of are there any famous sinkholes.

This video is answering the question of why are sinkholes dangerous.

This video is answering the question of where are sinkholes formed.

A massive sinkhole opened up inside a stadium at Austin Peay State University in Clarksville, Tennessee, following construction work. According to USA Today, the sinkhole, discovered by construction workers weeks ago, was initially only...

A DOT spokesperson said they’ve received no federal money yet, but the Federal Highway Administration is reviewing the request for full reimbursement.

A local state of emergency and evacuation have been declared in Sechelt, B.C., where sinkholes threaten a neighbourhood.

Any business can schedule an appointment online or walk in Monday through Saturday.

The owners say that the longer they wait for repairs, the closer they get to possibly going out of business.

The owners say that the longer they wait for repairs, the closer they get to possibly going out of business.

Residents in Rockaway say that large tractor-trailers are causing traffic and other issues in their smaller neighborhoods.

Gov. Phil Murphy answered viewers' questions on News 12 New Jersey's “Ask Gov. Murphy” program.

The city of Buriticupu, in the northeastern tip of the Brazilian Amazon, is being slowly swallowed by the earth. Watch in for more details!

Floods causing a rising number of sinkholes to appear