Ankle mobility is the root cause of pain when it comes to swimming with fins, which requires both practice and stretching.

Fin whales rarely lift their tails out of the water on any dive, according to the National Oceanic and Atmospheric Administration. Getty Images/iStockphoto Whale watchers in Massachusetts were ...

Wanting to squeeze in as much time with her as I could before her wings fully unfurled, I suggested that we kick it off with ...

People aboard the Oct. 6 Hyannis Whale Watcher Cruise observed a fin whale perform a high fluking dive, the group said in a Facebook post, calling it “one of the rarest” sightings of the season.