Life satisfaction hinges not on what you do — but who you do it with

It’s dangerous to go alone — take some friends.

Australian wrens recognize friends from other species and work together with them

It’s the first time we’ve seen inter-species cooperation in birds.

It takes about 200 hours with someone to turn them into a best friend, new study shows

Making new friends take time. A new study quantified how long it takes, on average, for an acquaintance to climb our social circle.

Only about half your friends actually consider you a friend

It’s not you, it’s them. Well, it’s you a bit, too.

Friends are family: study shows we share more genes with friends than strangers

We often cherish our closest friends as if they were family. Well, this isn’t actually too far from the truth, considering a new study from the University of California, San Diego, and Yale University found friends who aren’t biologically related resemble each other genetically. In fact, on average friends are as “related” as fourth cousins or people who share great-great-great