From playful Pomeranians to charming Chihuahuas, many popular breeds come in teacup sizes. These toy dog breeds may be small ...

A rare rabbit called the New England cottontail is losing its home because forests are getting smaller and another kind of ...

Individual retinal ganglion cells are singularly activated in the living primate retina via an adaptive optics scanning light ophthalmoscope.

New research finds new puppy parents sometimes struggle with time management and other issues. We asked experts for tips to ...