Biologists and ecologists have long wished to gather high-quality data on exactly what the animals they study are eating, but how can such observations be made without disturbing the natural patterns ...

The Sacramento Zoo introduces a new otter, Darla, to its river otter habitat, where she joins her brother Jackson.

Learn how river otters are being restored and why they matter for aquatic ecosystems at a free NCTC lecture Jan. 15.

The Sacramento Zoo welcomed Darla to their North American river otter habitat in the past few weeks. • Video above: Meet the ...

These new attractions highlighting local history, technology and science, among other topics. Others are adding onto their ...

Many different countries have long rivers, and the U.S. is no exception, but that river is more complicated and unique than ...