A new study reveals the brain circuit behind parental care also controls helping behavior, offering clues about the roots of compassion.

Recently, I found my otherwise fearless dog freaking out in my basement, hiding in a corner. It was kind of funny … until the power went out. A few minutes later, my friend and neighbor Stew Smith, a ...

How exactly does a newly-hatched spider weave a perfect web that is characteristic of his or her species—without ever even having seen such a web, let alone having been trained to spin one? How do ...

Hiking a glacier with my family and dog, Lovie, I was thinking about the nature of instincts and how both humans and dogs share them—how they help us get along in the world, not having to ponder or ...