Brainless upside-down jellyfish, like this one in its natural habitat near Eilat, Israel, spend about one-third of their time asleep. Gil Koplovitch Why do animals—including humans—sleep? This ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

For decades, travel has been defined by movement. Full itineraries, early alarms, packed sightseeing lists and the quiet pressure to "make the most" of every trip have shaped how holidays are planned ...

There are hundreds of dog breeds around the world, from the teensy chihuahua to the massive Saint Bernard—all thanks to centuries of selective breeding by humans. With such a wide range of canine ...

Experts have several theories on how IBS and sleep disturbances influence each other. Many of these issues overlap. Up to 16% of people in the United States live with irritable bowel syndrome (IBS), a ...

Reading books has several health benefits. These include strengthening your brain, increasing your ability to empathize, reducing stress, and building your vocabulary. Share on Pinterest ...

Learn more about the new study, which highlights the importance of analyzing brain structure and connectivity simultaneously. As our body ages, so too does our brain. But as new research examining ...

This guide uses cardinal directions to describe locations. Press triangle (on PlayStation), Y (on Xbox), or Q (on PC) to bring up the compass. If you go back to camp an additional time, you can raise ...