Dominant baboons sleep less at night, as social rank keeps leaders more alert and prone to nighttime disruptions.

Egyptian geese are aggressively territorial. During mating, they are monogamous, making it likely the pair fighting the ...

A 16-year-old boy lifts a Volkswagen off his pinned neighbor. A mother fights off a polar bear to protect her children. A daughter heaves an overturned tractor from atop her father. These feats are ...

Dominant baboons rule the troops by day, but at night, they may pay a hidden cost. A study led by Swansea University has ...