"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

A male white shark in the Atlantic Ocean has become the largest ever to be tagged by a research group. The 13.9ft (4.2m) beast which has been named Contender weighs an estimated 1,653 lbs (750kg). It ...