How did a relative of the red panda end up in North America? What can this tell us about how long ago – and how many times – North America was connected to Europe and Asia?

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...

We have plenty of exciting news on holes in the earth and holes in your face! One of them broke records and the other keeps you healthy.

All telescopes work by gathering light from the stars, but one held the crown for square footage for collecting that light for 53 years. The amazing Arecibo.

Our neighboring star Betelgeuse got noticeably dimmer a few months ago, and thanks to the Hubble telescope, we recently figured out what was going on. Also, the Arecibo Observatory in Puerto Rico suffered some damage this week.

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?

Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on...

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.

Two vehicles fall into sink hole after road suddenly gives way beneath them at stop lightCredit: University of Nebraska-Omaha Public Safety

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 why are sinkholes dangerous.

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

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

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

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...

An investigation has begun after a sinkhole opened up, swallowing a building in central Guangzhou, capital of China's Guangdong Province. The sinkhole opened up next to construction site where workers were building an underground railway...

An international team will explore the depths of a massive undersea cavern called the Green Banana off the coast of Florida.