In a viral TikTok TikTok shared in October under the username @sadie_gurl1, the pup, Sadie, can be seen making several different facial expressions for the camera, including happy, sad ...

Scientists have found that goats are drawn to humans with happy facial expressions. The result suggests a wider range of animals can read people's moods than was previously thought. The ...

Since the 1970s, psychologists say they have been able to detect hidden emotions by studying the "micro expressions" on someone's face in photographs and video. Algorithms and high definition ...