Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

They are nocturnal, waking at night to hunt insects and feed. Who would have thought that a giraffe needs only 20 minutes of sleep each day! These creatures sleep on their backs, holding hands to stay ...

Tourists and locals alike can travel the length of California for just $159 using a little known travel hack. Our reporter ...