Animals vary greatly in size, with species like the Blue Whale and Ostrich standing out as some of the largest creatures on ...

Once dubbed the world's ugliest animal for its soft, lumpy appearance, the blobfish has made a stunning comeback: it was ...

Forbes contributors publish independent expert analyses and insights. I write about the world of biology.

Weighing up to 700 pounds green turtles are among the largest sea turtles in the world. Their proportionally small head, which is nonretractable, extends from a heart-shaped carapace that measures ...