While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

In the icy wilderness of Antarctica, where glaciers now dominate the landscape, scientists have unearthed a fossil that ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

This evidence comes from a nearly complete, 69-million-year-old skull of an extinct bird, named Vegavis iaai.  The fossil ...