How do some animals migrate thousands of miles with perfect accuracy, even across vast landscapes? Scientists believe these ...

Salmon rearrange the gravel in streams when they prepare spawning sites, creating areas known as redds. This digging changes ...

Over 3,000 animals are trekking across snowy mountains and forests in Xinjiang, China, as part of a seasonal pasture ...

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds ...