A humpback whale stays by the side of a whale entangled in fishing gear. He spent more than five hours by her side, swimming below her and raising her to the surface to breathe. Photograph By Dan ...

A pair of endangered right whales that wandered into Gulf of America/Mexico this winter made it to Gulf of St. Lawrence in a little over a month.

Despite the previous belief that these huge cetaceans reproduced in tropical waters after traveling long distances from the ...