It's a sign of overall environmental health. Passengers capture video of unexpected visit from largest animal on earth — here ...

The Antarctic blue whale (Balaenoptera musculus ssp. Intermedia) is the largest animal on the planet, but it is critically endangered. WWF is working to protect blue whale habitat, and a remarkable ...

Ever wondered which animal is the biggest creature on Earth? The blue whale is the most massive animal in the world! Learn all about this amazing giant of the seas in this fascinating video packed ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

The largest animal on the planet was spotted off the coast of California, boaters said. Getty Images/iStockphoto Boaters off the coast of California got the chance to join the 1% club after spotting ...