This sighting confirmed that the mother whale — which scientists spotted entangled earlier this year but couldn't free — gave birth to her calf while trapped in the rope. Clay George ...

Whale pee and other bi-products play a vital role in ocean ecosystems. Find out how they transport nutrients across the seas.

The orca whale who broke hearts in 2018 while grieving her dead calf for 17 days has a welcomed a new calf. Tahlequah, also known as J-35, gave birth to her new addition on Friday, Sept.

Then I saw a friend’s striking photos from the annual gray whale migration to Mexico’s Baja California. Just as humpbacks travel from Alaska to Mexico and Hawaii to give birth in warm waters ...

In winter and early spring, you'll catch a glimpse of gray whales migrating south to give birth to their calves; they'll turn around and head north around April or May, so if you're on the water ...