No wonder many of us often feel emotionally confused. A brain region linked to fear has just been found to contain a potent brain circuit that drives pleasure-inducing behavior.
An indigenous tribe in South America has been found to have the best heart health ever studied, with most of its members never developing any coronary atherosclerosis.
New research has determined that New Zealand's clever kea parrot produces laughter-like calls that are contagious and promote playful behavior — and is the first known non-mammal to do so.
In an unusual study, close to 100 percent of people described her expression as unequivocally "happy," researchers revealed on Friday.
We spend way too much time looking in the wrong places — but science offers clues to improve our house hunting.
FlipFeed was designed by MIT researchers to get people out of their social media echo chambers and help them better understand ideologies and beliefs that differ from their own.
In an unusual study, researchers placed tracking devices on people living in hunter-gatherer tribes and found their social networks are similar to those in modern societies.
Who wins the award may depend more on who's giving it and whether the judges and the eligible performers have things in common.
Twitter users' emotional tweets in English show which celebrity deaths shook them the most this year.
The motivation for these unusual intra-species attacks is unclear.