Sharks are some of the ocean’s most efficient predators, but they possess a peculiar trait that still puzzles scientists: tonic immobility. This strange behavior occurs when sharks are turned upside ...

When it comes to sleep, humans can only dream of the luxurious nap time some animals enjoy. Here are 8 animals who spend ...

Explore the top 10 animals that live on trees, from sloths to harpy eagles. Discover fascinating arboreal creatures and their treetop lifestyles.

February is one of the busiest times of the year at Yosemite National Park thanks to “firefall,” a natural phenomenon that causes a glowing ribbon of water to look like molten lava cascading down El ...