Fear has a scent. Here’s how this invisible chemical signal has shaped human perceptions, emotions and survival instincts.

Fear is a powerful survival mechanism hardwired into our brains to help keep us safe. But what happens when those fears become a hindrance instead of a help? Now, scientists have discovered exactly ...

GAINESVILLE, Fla. — Your brain makes life-or-death decisions in milliseconds, and scientists just figured out exactly how it chooses between fight, flight, or freeze. New research reveals that two ...

Climber Alex Honnold is set to scale one of the world's tallest buildings without any ropes or safety nets.

Mice have an instinctive reaction to hide when the shadow of a bird passes over. In a new study, scientists taught the rodents to overcome that fear. dubinkinv / 500px via Getty Images Humans have ...

Human emotions were long thought to be beyond our control, but with the advancement in research, we understand what parts of our brain cause what feelings. An interesting new research has found out a ...

In haunted houses across the country this month, threatening figures will jump out of the shadows, prompting visitors — wide-eyed and heart racing —to instinctively freeze and flee. Evolutionarily ...