Have you ever heard of the term environmental DNA (eDNA)? This refers to DNA from animals that is found in the environment as a result of natural shedding. Think: dead skin, feces, fur, etc. When ...

A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...

How does an ecosystem distribute its energy across body sizes? A new study suggests the answer depends on where you are—and how much humans have altered the landscape. Analyzing communities of birds ...

When we encounter a raccoon, deer, bat, fox, or some other wild animal in our neighborhood, we’re often pleasantly surprised—but not as amazed, perhaps, as our recent urban forebears might have been.

One of the most common "starter" pets for families, the goldfish, may not be so harmless when released into the wild. Goldfish are widely distributed across the world, with an estimated several ...

Fossilized teeth discovered in Alaska’s far north have revealed three previously unknown mammal species that lived 73 million ...