Menopause is a rare trait among Earth's species, observed in only a few, including humans and certain whales. New research suggests the evolution of menopause may be linked to the extended lifespan of ...

A vanishing species of whale gave birth to so few babies this birthing season that it has raised alarms among scientists and conservationists who fear the animal could go extinct. The whale is the ...

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 ...

A new study argues that the change brought these females an evolutionary advantage — and perhaps did the same for humans. By Carl Zimmer Menopause is all too familiar to women, but in other species it ...

After decades of whaling decimated their numbers, humpback whales have made a remarkable comeback. The 50-foot giants, known for their elaborate songs, have become common in parts of the Pacific Ocean ...

Staff at the Plymouth-based nonprofit group Whale and Dolphin Conservation never know when they will receive the next call about a whale that washed ashore or a report about a seal that just doesn't ...