For centuries, humans have reported animals freaking out during solar eclipses, like birds falling from the sky and bees hiding in their hives, but the animals most affected by eclipses might be us.

All told, the Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how were they able to survive in this harsh environment?

Most animals on earth are bioluminescent, but almost all of them live in the ocean - and scientists aren’t sure why.

Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.

TED Fellow Jawad Sharif was born with a rebellious streak -- and he's used it in his documentary films to amplify the unheard voices of Pakistan. Sharing three stories of everyday heroes -- a high-altitude mountaineer, a folk musician of...

In 1986, a prospecting crew in southern Romania was looking for a good place to build a geothermal power plant, when they accidentally discovered one of the oddest caves of all...

The animal kingdom boasts an incredible diversity of eyes. Some rotate independently while others have squiggly-shaped pupils. Some have protective lids, others squirt blood. But which creature has the best sight? Which sees best in the...

Explore the haunting and intimate works of poet Sylvia Plath, who digs into issues of mental health, trauma and sexuality in works like “The Bell Jar.” -- Under her shrewd eye and pen, Sylvia Plath turned everyday objects into...

Lots of kids are afraid of the dark, and some adults still can't stand sleeping in the complete darkness. But why are we afraid of it?

Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.

You're traveling deep beneath the ocean's surface, where faint lights flicker and toothy grins flash. Your mission is to survive these depths and journey to the surface after sundown to feed. And as a hatchetfish, almost every other...

Deep into the ocean even the slightest glimmer give you away. Which is why some fish have evolved to be so dark that they absorb any light that hits them.

What do fans of atmospheric post-punk music have in common with ancient barbarians? Not much ... so why are both known as _goths"? Is it a weird coincidence _ or is there a deeper connection stretching across the centuries? Dan Adams...

The way we experience seasons don't necessarily line up with how they're technically defined - here's why.

Vincent Cochetel was held hostage for 317 days in 1998, while working for the UN High Commissioner on Refugees in Chechnya. For the first time, he recounts the experience — from what it was like to live in a dark, underground chamber,...

In 1986, a prospecting crew in southern Romania was looking for a good place to build a geothermal power plant, when they accidentally discovered one of the oddest caves of all

In today's world, balancing school, work, kids and more, most of us can only hope for the recommended eight hours of sleep. Examining the science behind our body's internal clock, Jessa Gamble reveals the surprising and substantial...

Legendary sculptor Antony Gormley riffs on space and the human form. His works explore the interior space we feel within our own bodies -- and the exterior space we feel around us, knowing that we are just dots in space and time.

Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work...

Normally when you blink, you don’t really notice, and it turns out your brain is playing a bit of a trick on you to make that happen!

Gill Hicks's story is one of compassion and humanity, emerging from the ashes of chaos and hate. A survivor of the London terrorist bombings on July 7, 2005, she shares her story of the events of that day -- and the profound lessons that...

One day, twin brothers Junajpu and Ixb'alanke discovered their father's hidden ballgame equipment and began to play. Hearing their vigorous game, the lords of the underworld sent a messenger to challenge the boys to a match. Despite the...

As a world-renowned treasure hunter, you have been searching for the legendary dungeon containing the stash of ancient Stygian coins. The wizard who owns the castle has even allowed you to have them, on one condition-you must solve his...

We know more about some other planets than we do about the deepest corners of Earth's oceans, and the species we've found there are almost alien. Here's some of the most unbelievable oddities ever observed! Special thanks to the Monterey...