The coastal marten is about the size of a ferret and lives in heavily wooded forests.

Scientists from Oregon State University looked at coastal martens in the town of Klamath for three months ...

While the average person may believe we’re losing species faster than we can discover new ones, that may not be the case. A ...

The contents of an ancient wolf pup's stomach yields surprising clues into the genetic lineage of extinct species.

Research from the 2025 Regional Mammal Red List shows that one in five mammals are threatened with extinction.

The Trump administration wants to make economic impacts a factor in what was previously a science-based decision on what's best for threatened species.