There are lots of good reasons to make fish a regular part of your diet. But rising mercury levels in aquatic ecosystems are worrying scientists.
In mammals, the sex of a baby is determined by the chromosomes it inherits from its parents. But, the combination an animal inherits can be quite different.
Wow, what was that? Could it have been a flying fish?
Christmas is over but what should you do with your Christmas tree?
Why do fish have fins? Does water temperature affect fish temperament? And why have scientists sent a robot to live with the fish?
Why are so many fish gathering to watch other fish fight?
OH MY! The top 10 new species list for 2009 is filled with spooky and bizarre creatures!
Did you know that there are fish out there that can change sex?
Why does my pet do that? A Moment of Science gathers some of our favorite pet-related podcasts.