There are many flavors of friendship. Most U.S. adults say they have pals who fit into specific niches in their lives, like ...

Having been in the trenches together also makes us feel like old friends. It could be a job where you together had a difficult boss, and you’re still friends 10 years later. “It’s important to have ...

The great friendship recession: Why we have fewer friends and why it matters. Amid a spiralling loneliness crisis, one in five Brits say their social circle has shrunk in the last three years.

Photographs from the 1850s to the early 1900s show male friends holding hands or draping their arms around each other; sentimental letters between men in this period also abound.

There are many flavors of friendship. Most U.S. adults say they have pals who fit into specific niches in their lives, like gym friends or work friends. These relationships may come and go as life ...