Dogs are partially colorblind — here's what colors they can and can't see and how their vision differs from ours.

Humans tend to prefer dogs with darker eyes, scientists have found, which could be linked to how they evolved from wolves. Dogs evolved from their closest relatives, gray wolves. Over time, they ...

The internet has dubbed these sideways glances of judgment as “side eye”. This expression has gone viral in memes, videos, and photos, and has caused many to wonder what it means when dogs do this.