Southern right whales are having fewer calves as sea ice shrinks. Scientists say this species may now be a warning sign of climate change.

Have you ever wondered how long whales are pregnant? With the massive size of whale babies, it comes as no surprise that whales have long gestation periods. Dive in to find out how long whales are ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals with long lifespans tend to reproduce extremely slowly. Els Vermeulen Southern right whales have lifespans that reach well ...

Learn all humpback whales, giant sirens of the sea - from where they live to what they eat, and why they don't have teeth ...