Researchers looked at Facebook posts to sort out differences in the language people who are lonely and people who have depression use.

Can moving your face to mimic a smile actually brighten your mood? New research suggests the answer is "yes."

After watching positive videos about sharks, fewer people blamed them for bites and more approved of nonlethal response strategies.

Cats are often left out of animal visitation events aimed at reducing stress, but researchers say the right people could really benefit.

A new program that promotes thoughtful food choice and self-monitoring could lead to healthier eating, a new study shows.

Researchers have created a tool for measuring how much discomfort "creepy" apps cause users by collecting personal data.

People who have a less emotional response to seeing images of environmental destruction are also less emotional and empathetic generally, research finds.

Even mild TBI, or traumatic brain injury, increases the risk of a child having emotional or behavioral issues, research finds.