Kerry Wolfe

Global warming is changing the Arctic—and explorers of the past would barely recognize its green tundra, diminished glaciers, and ice-free seas. Our final episode looks at the North Pole’s many legacies.

Can cheese really give you nightmares? And why do you keep dreaming that you’re back in high school? We get to the bottom of eight misconceptions about dreams.

Ever since the Victorians invented the Christmas card, people have gotten creative—and a bit bizarre—with their holiday greetings.

All you really need to study the natural world is a hearty amount of curiosity—but the right goods and gear can certainly help.

Forget images of glittery champagne bottles and fireworks bursting over snow-covered cities. From dancing pigs to unnerving children, these vintage postcards were a more unusual way to ring in the new year.

Whether they were guilty of having potty mouths or stealing shoes, these animals found themselves on the wrong side of the law.

Groundhogs aren’t the only creatures with the powers of prognostication. From badgers to woolly bear caterpillars, these other animals are said to predict the weather.

Pet advice from the Middle Ages included enough Latin incantations, unusual remedies, and bizarre superstitions to fill a Great Dane.

Every person on Earth is living in the past, and more facts about time that are likely to hurt your brain.

Here’s where to stream your favorite spooky shows, including ‘Buffy the Vampire Slayer,’ The Walking Dead,′ and ‘What We Do in the Shadows.’

These unique gifts for cat lovers, dog lovers, and horse lovers will add some animal-themed joy to your loved one’s life this holiday season.